30 April 2015, 06:00 PM ET
Clumps of small, glassy particles may be responsible for the formation of giant asteroids and the planetary 'embryos' that collided to form rocky planets like Earth, a new study suggests.
30 April 2015, 04:35 PM ET
NASA's MESSENGER probe crashed at 3:26 p.m. EDT Thursday (April 30), gouging a new crater into Mercury's surface. This violent end was inevitable for MESSENGER, which had been orbiting Mercury since March 2011 and had run out of fuel.
30 April 2015, 10:13 AM ET
NASA's MESSENGER spacecraft will smash into Mercury today, April 30, to end its mission and you can celebrate the probe's epic voyage in a live Slooh webcast. Here's how to watch at 3 p.m. EDT.
30 April 2015, 07:30 AM ET
New images provide the first complete 3D view of the Pillars of Creation — some of the most iconic cosmic structures ever studied — and suggest that the glorious protrusions may be around for only another 3 million years.
30 April 2015, 07:20 AM ET
Using the ESO's Very Large Telescope, astronomers have created a new 3D visualization of the the famous Eagle Nebula, showing distance between each ‘pillar.’ Space.com stirs in Hubble images.
30 April 2015, 07:00 AM ET
The search for life beyond Earth homes in on water, whose unique properties make it critical to life as we know it and whose abundance throughout the solar system is becoming increasingly clear to scientists.
30 April 2015, 12:46 AM ET
DARPA is an agency of the U.S. military that tests and develops new technologies.
29 April 2015, 05:02 PM ET
New photos of Pluto and its largest moon, Charon, by NASA's New Horizons spacecraft have revealed tantalizing hints at surface features on the dwarf planet, including signs of a polar ice cap. See the photos from new Horizons here.
29 April 2015, 04:17 PM ET
Dwarf planet Pluto and its largest moon Charon are seen to orbit one another in this set of images from NASA’s Pluto New Horizons LORRI camera, taken when the spacecraft was about 90 days out from its closest encounter.
29 April 2015, 03:50 PM ET
The remains of thousands of stars might exist in a vast graveyard near the giant black hole that's at the center of our Milky Way galaxy, researchers say.
29 April 2015, 03:30 PM ET
Jupiter's aurora — constant curtains and waves of electric-blue colors high in the murky brown atmosphere — flare up because of an effect that has nothing to do with the sun and everything to do with the gas giant's moons.
29 April 2015, 01:12 PM ET
Your AI tour guide awaits you at the new Museum of Science Fiction.
29 April 2015, 12:13 PM ET
The1.6m New Solar Telescope at the ground-based Big Bear Solar Observatory has captured unprecedented images of a twisting solar magnetic structure as it touches off ribbons of flares.
29 April 2015, 07:12 AM ET
If you ever wanted to take your starship on an intergalactic joyride, astrophysicists have got your back — they've just created the most detailed cosmic 3-D map to date, spanning an mind-boggling distance of 2 billion light-years.
29 April 2015, 07:00 AM ET
NASA's Messenger probe, which has been orbiting Mercury since March 2011, is nearly out of fuel and will smash into the planet on Thursday (April 30). NASA released a new Messenger video on Monday (April 27) as a tribute to the successful mission.
29 April 2015, 07:00 AM ET
Ever since NASA’s Dawn spacecraft arrived in the vicinity of dwarf planet Ceres, the world has been abuzz with theories as to what those mysterious white spots may be.
29 April 2015, 07:00 AM ET
A young star in Orion's dusty nebula roughly 1,400 light-years away has erupted after munching down gas and dust.
28 April 2015, 01:21 PM ET
The Senate voted unanimously April 27 to confirm Dava Newman as NASA's deputy administrator, more than six months after she was nominated.
28 April 2015, 12:14 PM ET
Relive 7 glorious years of exploration with this animation/actual imagery retrospective. Completely drained of fuel, the probe will slam into Mercury's surface at over 8,750 miles per hour producing a crater about 50ft (16m) in diameter.
28 April 2015, 09:52 AM ET
28 April 2015, 07:05 AM ET
The NameExoWorlds contest has kicked off, allowing astronomy clubs and nonprofits to propose names for the stars and planets in 20 different extrasolar systems. The public will soon be able to vote on these proposed monikers.
28 April 2015, 07:00 AM ET
Dawn arrived at the science orbit on Thursday (April 23), spiraling down to an altitude of 8,400 miles (13,500 kilometers), NASA officials said. The probe achieved this milestone on schedule, but not without a bit of drama.
27 April 2015, 04:40 PM ET
27 April 2015, 02:49 PM ET
27 April 2015, 01:47 PM ET
A research team has published some intriguing work in Nature Geoscience regarding transient liquid water and water activity at Gale crater on Mars – the exploration zone of NASA’s Curiosity rover.
27 April 2015, 01:30 PM ET
The Nexus for Exoplanet System Science, or NExSS, will take a multidisciplinary approach to the hunt for alien life, NASA officials said.
27 April 2015, 11:58 AM ET
Star cluster NGC 6388 seems to produce x-rays from a source other than its black hole, whose brightness decrease at a rate comparable to "theoretical models of a disruption of a planet."...
27 April 2015, 11:45 AM ET
27 April 2015, 09:00 AM ET
Studying the hazy atmosphere of Saturn's largest moon, Titan, should help researchers better understand the air of faraway exoplanets, a new study reports.
27 April 2015, 07:00 AM ET
Over 400,000 volunteer citizen scientists have helped to identify over 2 million new celestial objects and five new supernovas in a wealth of data collected by the SkyMapper telescope.
25 April 2015, 07:00 AM ET
This week, NASA and the space science community celebrated 25 years since the launch and deployment of the Hubble Space Telescope, an instrument with one of the greatest redemption stories in science history.
24 April 2015, 07:31 PM ET
In a geosynchronous orbit, a satellite orbits Earth at the same speed as the planet is turning, enabling it to stay in place over a single location.