07 May 2015, 02:28 PM ET
Mercury has possessed a magnetic field for billions of years, and it may have once been as strong as the Earth's, researchers say.The discovery, was made by studying data from NASA's recently crashed MESSENGER spacecraft.
07 May 2015, 01:55 PM ET
Astronomers driving the Atacama Large Millimeter/submillimeter Array (ALMA) have imaged a cosmic "dinosaur egg;" a dense knot of star-birth within a pair of interacting galaxies, likely similar to ancient regions where star clusters were born.
07 May 2015, 10:50 AM ET
Astronauts on the International Space Station are imbibing fresh brewed drinks. The principal investigator of the Capillary Beverage study explains how it works.
07 May 2015, 07:47 AM ET
While some scientists are focused on finding Earth's exoplanet twin, one group is looking for twins of Venus. Their findings may help the hunt for Earth-like planets.
07 May 2015, 07:31 AM ET
Chemical reactions that free up energy that could potentially support a biosphere are occurring deep within Enceladus' salty subsurface ocean, a new study suggests.
07 May 2015, 07:27 AM ET
Astronomers have spotted a dead star polluted with heavy elements, suggesting that the star recently chowed down on a water-laced asteroid.
06 May 2015, 04:19 PM ET
Scientists at space agencies across the world are using satellite images and other technologies to aid those affected by Nepal's earthquake.
06 May 2015, 03:50 PM ET
Russia's doomed Progress 59 cargo ship is headed for a fiery fate in Earth's atmosphere on Thursday, but when and where it will fall is still uncertain. See the latest.
06 May 2015, 03:14 PM ET
Imagery from NASA's Cassini mission has shown what was believed to be discrete jets or geysers erupting from the surface of Enceladus. A new investigation has revealed that the eruptions may be more widespread.
06 May 2015, 01:01 PM ET
Most of the seemingly discrete geysers seen on the Saturn moon Enceladus until now may have just been optical illusions of much broader "curtain" eruptions, a new study reports.
06 May 2015, 12:29 PM ET
SpaceX launched a major test Wednesday (May 5) of the innovative rocket escape system for its manned Dragon spaceships, a critical system designed to save astronauts in a launch emergency. See how the short test went.
06 May 2015, 09:06 AM ET
The Dragon crew capsule, slated to carry NASA astronauts and others, launched in a successful test of emergency abort procedures on May 6th, 2015.
06 May 2015, 06:40 AM ET
Planetary Resources' Arkyd-3R probe currently sits aboard the International Space Station and is scheduled to be deployed into orbit sometime in July, representatives of the Washington-based asteroid-mining company have said.
06 May 2015, 06:30 AM ET
Despite skepticism from Congress concerning NASA's asteroid-capture project, space agency chief Charles Bolden said "consensus is emerging" about that mission and other steps in NASA's plan to send humans to Mars.
06 May 2015, 06:30 AM ET
The water plume seen on Jupiter's moon Europa in 2013 may have been a rare event, which implies the satellite may be a solid ball of ice and inhospitable to life.
06 May 2015, 06:23 AM ET
The X-class solar flare — the most powerful class of sun storm — erupted Tuesday from a sunspot called Active Region 2339, peaking at 6:11 p.m. EDT. NASA's Solar Dynamics Observatory spacecraft captured a gorgeous video of the flare.
06 May 2015, 06:00 AM ET
Could water have carved channels on Mars as recently as 500,000 years ago? If that's the case, it would boost the case for relatively recent life on the Red Planet.
05 May 2015, 11:02 PM ET
Most of the stars in the universe are main sequence stars. The sun is a main sequence star.
05 May 2015, 07:42 PM ET
Sunspot AR2339 unleashed an X2.7 solar flare on May 5th, 2015. A radio blackout alert was issued for areas over the Pacific Ocean by NASA/NOAA. NASA's Solar Dynamics Observatory (SDO) captured the fireworks in multiple wavelengths.
05 May 2015, 04:21 PM ET
A cosmic record has been broken: The most distant galaxy ever measured is 13.1 billion light-years away from Earth, making it one of the earliest galaxies to ever form in the universe.
05 May 2015, 02:48 PM ET
SpaceX's Dragon astronaut taxi will blast off with a dummy on board Wednesday (May 6) in a crucial safety test, and you can watch all of the action live here at Space.com.
05 May 2015, 02:39 PM ET
Researchers using the Chandra X-ray telescope have discovered a group of black holes consuming massive amounts of matter. The black holes are surround by 'thick-disk' quasars that are 5 to 10 percent more efficient in devouring matter.
05 May 2015, 01:57 PM ET
Before astronaut Alan Shepard lifted off to become the first U.S. astronaut in space 54 years ago, three pad abort tests ensured his Mercury capsule could pull away from his Redstone rocket in an emergency. See how SpaceX is building on that history.
05 May 2015, 12:30 PM ET
The Eta Aquarid meteor shower, produced by debris from Halley's Comet, will peak tonight. Find out where you can see the show, as well as a live webcast hosted by the Slooh observatory.
05 May 2015, 12:00 PM ET
SpaceShipTwo broke apart in midair during a test flight on Oct. 31, 2014, killing copilot Michael Alsbury. Virgin Galactic representatives vowed to press on despite the tragic accident, and another SpaceShipTwo is indeed taking shape.
05 May 2015, 11:25 AM ET
The Eta Aquarids are a meteor shower best visible from the Southern Hemisphere.
05 May 2015, 11:00 AM ET
This amazing image of the Northern Lights was a lucky shot for astrophotographer Manish Mamtani. Mamtani took the image from Long Lake Recreation Area in Wisconsin on Match 17, 2015.
05 May 2015, 10:07 AM ET
The sound was recorded by a UNC Chapel Hill payload aboard a high altitude balloon. The balloon was commissioned by Louisiana State University's High Altitude Student Platform (HASP) program and flew to an altitude of ~22 miles in 2014.
05 May 2015, 07:37 AM ET
Researchers found that temperatures on the "super Earth" exoplanet 55 Cancri e varied by nearly a factor of three between 2011 and 2013. One possible explanation for this huge variability is massive volcanism, astronomers said.
05 May 2015, 07:00 AM ET
The new image was snapped from the deck of the drone ship on April 14, a second or so before the rocket stage toppled over and exploded in a dramatic demise that SpaceX captured on video.
05 May 2015, 07:00 AM ET
A new photo captured by NASA's Mars rover Opportunity shows a rocky spire in a shallow crater on the Red Planet. The mosaic combines images taken by Opportunity's panoramic camera on March 29 and March 30.
04 May 2015, 09:32 PM ET
The century-old outburst from a classical nova is still going strong and surprising astronomers with its steady temperature.