NEWS

SOURCE: SCIENCE DAILY
Here is an RSS feed from Science Daily’s Space and Time section to keep you up to date on current events in the space community.
  • Beyond the brim, Sombrero Galaxy's halo suggests turbulent past

    These latest Hubble observations of the Sombrero galaxy indicate only a tiny fraction of older, metal-poor stars in the halo, plus an unexpected abundance of metal-rich stars. Past major galaxy mergers are a possible explanation, though the stately Sombrero shows none of the messy evidence of a recent merger of massive galaxies.
  • Earth formed much faster than previously thought, new study shows

    By measuring iron isotopes, researchers have shown that our planet originally formed much faster than previously thought. This finding provides new insights on both planetary formation and the likelihood of water and life elsewhere in the universe.
  • Sub-Neptune sized planet validated with the habitable-zone planet finder

    A signal originally detected by the Kepler spacecraft has been validated as an exoplanet using the Habitable-zone Planet Finder.
  • How newborn stars prepare for the birth of planets

    Astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion Clouds. These images reveal new details about the birthplaces of planets and the earliest stages of star formation.
  • Journey to the center of Mars

    Scientists have built a new compositional model for Mars. They used rocks from Mars and measurements from orbiting satellites to predict the depth to its core-mantle boundary, some 1,800 km beneath the surface and have been able to suggest that its core contains moderate amounts of sulfur, oxygen and hydrogen as light elements.
  • 18-hour year planet on edge of destruction

    Astronomers from the University of Warwick have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its type.
  • Bacteria on the International Space Station no more dangerous than earthbound strains

    Two particularly tenacious species of bacteria have colonized the potable water dispenser aboard the International Space Station (ISS), but a new study suggests that they are no more dangerous than closely related strains on Earth.
  • How to deflect an asteroid

    Engineers devise a decision map to identify the best mission type to deflect an incoming asteroid.
  • Simple, fuel-efficient rocket engine could enable cheaper, lighter spacecraft

    Researchers have developed a mathematical model that describes how rotating detonation engines work.
  • Rules of life: From a pond to the beyond

    Researchers have conducted experiments in the nutrient-poor Cuatro Cienegas Basin in Mexico. Their goal was to shed light on how fundamental features of an organism's genome -- its size, the way it encodes information, and the density of information -- affect its ability to thrive in an extreme environment.
  • First research results on the 'spectacular meteorite fall' of Flensburg

    A fireball in the sky, accompanied by a bang, amazed hundreds of eyewitnesses in northern Germany in mid-September last year. The reason for the spectacle was a meteoroid entering the Earth's atmosphere and partially burning up. Planetologists have been studying a part of the meteorite. They found out that the meteorite contains minerals that formed under the presence of water on small planetesimals in the early history of our solar system.
  • Scientists pioneer new way to study exoplanets

    A team of scientists using the Low Frequency Array radio telescope in the Netherlands has observed radio waves that carry the distinct signatures of aurorae, caused by the interaction between a star's magnetic field and a planet in orbit around it.
  • Breakthrough Listen releases 2 petabytes of data from SETI survey of Milky Way

    Breakthrough Listen announced its second major release of SETI data: a radio survey of the plane of the Milky Way and the galactic center. The public is urged to search the data for signals from intelligent civilizations. A former undergraduate initiated the analysis by looking at emissions from 20 nearby stars that could see Earth transiting our sun. The VLA also signed on to capture radio data for SETI.
  • New technologies, strategies expanding search for extraterrestrial life

    New technologies that enable new strategies are revitalizing the Search for Extraterrestrial Intelligence (SETI), by not only augmenting the traditional search for intelligently generated radio signals but also allowing searches for other signs of life and technological activity.
  • Galactic cosmic rays affect Titan's atmosphere

    Planetary scientists have revealed the secrets of the atmosphere of Titan, the largest moon of Saturn. The team found a chemical footprint in Titan's atmosphere indicating that cosmic rays coming from outside the Solar System affect the chemical reactions involved in the formation of nitrogen-bearing organic molecules. This is the first observational confirmation of such processes, and impacts the understanding of the intriguing environment of Titan.
  • ESO telescope sees surface of dim Betelgeuse

    Using ESO's Very Large Telescope (VLT), astronomers have captured the unprecedented dimming of Betelgeuse, a red supergiant star in the constellation of Orion. The stunning new images of the star's surface show not only the fading red supergiant but also how its apparent shape is changing.
  • New Horizons team uncovers a critical piece of the planetary formation puzzle

    Data from NASA's New Horizons mission are providing new insights into how planets and planetesimals -- the building blocks of the planets -- were formed.
  • Mars: Simulations of early impacts produce a mixed Mars mantle

    The early solar system was a chaotic place, with evidence indicating that Mars was likely struck by planetesimals, small protoplanets up to 1,200 miles in diameter, early in its history. Scientists modeled the mixing of materials associated with these impacts, revealing that the Red Planet may have formed over a longer timescale than previously thought.
  • Researchers develop smaller, lighter radiation shielding

    Researchers have developed a new technique for shielding electronics in military and space exploration technology from ionizing radiation. The new approach is more cost effective than existing techniques, and the secret ingredient is...rust.
  • Citizen scientists discover rare cosmic pairing

    Citizen scientists have uncovered a bizarre pairing of two brown dwarfs, objects much smaller than the Sun that lack enough mass for nuclear fusion. The discovery, confirmed by astrophysicists, shows that brown dwarf systems -- the formation of which are still poorly understood -- can be very low mass and extremely far apart yet inexorably linked.
  • Distant giant planets form differently than 'failed stars'

    Astronomers have probed the formation process of giant exoplanets and brown dwarfs by using a combination of direct imaging of these objects and custom software to model their orbits.
  • Scientists show solar system processes control the carbon cycle throughout Earth's history

    This new work sheds fresh light on the complicated interplay of factors affecting global climate and the carbon cycle -- and on what transpired millions of years ago to spark two of the most devastating extinction events in Earth's history.
  • Supercharged light pulverizes asteroids

    The majority of stars in the universe will become luminous enough to blast surrounding asteroids into successively smaller fragments using their light alone, according to an astronomer.
  • Simulating a universe in which Newton's laws are only partially valid

    For the first time, researchers have simulated the formation of galaxies in a universe without dark matter. To replicate this process on the computer, they have instead modified Newton's laws of gravity. The galaxies that were created in the computer calculations are similar to those we actually see today. According to the scientists, their assumptions could solve many mysteries of modern cosmology.
  • One small grain of moon dust, one giant leap for lunar studies

    Scientists have found a new way to analyze the chemistry of the moon's soil using a single grain of dust brought back by Apollo 17 astronauts in 1972. Their technique can help us learn more about conditions on the surface of the moon and formation of precious resources like water and helium there.