Astronomy and space exploration news collected by Eurekalert.

A new look at Mars' eerie, ultraviolet nighttime glow

5 Aug 2020 at 11:00pm
(University of Colorado at Boulder) An astronaut standing on Mars couldn't see the planet's ultraviolet "nightglow." But this phenomenon could help scientists to better predict the churn of Mars' surprisingly complex atmosphere. Read more...

NASA's Maven observes martian night sky pulsing in ultraviolet light

5 Aug 2020 at 11:00pm
(NASA/Goddard Space Flight Center) Vast areas of the Martian night sky pulse in ultraviolet light, according to images from NASA's MAVEN spacecraft. The results are being used to illuminate complex circulation patterns in the Martian atmosphere Read more...

NASA's OSIRIS-REx is one rehearsal away from touching asteroid Bennu

5 Aug 2020 at 11:00pm
(NASA/Goddard Space Flight Center) NASA's first asteroid sampling spacecraft is making final preparations to grab a sample from asteroid Bennu's surface. Read more...

Arecibo Observatory returns from tropical storm Isaias lockdown to track aste...

5 Aug 2020 at 11:00pm
(University of Central Florida) Arecibo's Planetary Radar Group quickly shift from storm response to track asteroid 2020 NK1. Before the Arecibo observations, 2020 NK1 was calculated to be one of the biggest threats out of all known asteroids on NASA's list of potential impactors, with about one ... Read more...

Researchers take the ultimate Earth selfie

5 Aug 2020 at 11:00pm
(University of Colorado at Boulder) In a new study, a team of scientists set out to achieve something new in planetary photography: The group used the Hubble Space Telescope to try to view Earth as if it were an exoplanet. Read more...

NASA satellites capture Isaias' nighttime track into Canada

5 Aug 2020 at 11:00pm
(NASA/Goddard Space Flight Center) Tropical Storm Isaias has transitioned into a post-tropical storm as it moved out of the U.S. and into eastern Canada on Aug. 5 and 6. NASA created an animation of nighttime satellite imagery that shows Isaias' track up the U.S. East Coast. Read more...

Hubble uses Earth as proxy for identifying oxygen on potentially habitable ex...

5 Aug 2020 at 11:00pm
(NASA/Goddard Space Flight Center) Taking advantage of a total lunar eclipse, Hubble used the Moon as a mirror to study sunlight that had passed through Earth's atmosphere. As a result, Hubble detected Earth's own brand of sunscreen - ozone - in our atmosphere. The technique simulates how scienti... Read more...

Adranos secures $1.1 million in army contracts for hypersonic research

5 Aug 2020 at 11:00pm
(Purdue University) Adranos Inc., a Purdue University-affiliated company that has developed a high-performance solid rocket fuel called ALITEC for missile and space launch systems, has obtained more than $1.1 million in contracts collectively from the U.S. Army's Aviation and Missile Center and t... Read more...

New method makes magnetic maps of the solar corona

5 Aug 2020 at 11:00pm
(American Association for the Advancement of Science) The twisting, ever-shifting and metrically elusive magnetic field of the Sun's ephemeral outer atmosphere can be mapped using near-infrared observations of the solar corona. Read more...

Ammonia sparks unexpected, exotic lightning on Jupiter

4 Aug 2020 at 11:00pm
(Cornell University) NASA's Juno spacecraft -- orbiting and closely observing the planet Jupiter -- has unexpectedly discovered lightning in the planet's upper atmosphere, according to a multi-institutional study led by the NASA/Jet Propulsion Laboratory (JPL). Read more...