15 June 2015, 02:32 PM ET
A European probe that made a bouncy landing on a comet last year and then slipped into an silent hibernation is alive again and phoning home. The Philae comet lander on Comet 67P/Churyumov-Gerasimenko beamed its "alive" signal home on Saturday, June 13.
12 June 2015, 11:13 AM ET
Astronomers have long known that galaxies spin more quickly than can be explained by the laws of physics.
12 June 2015, 11:07 AM ET
Supersymmetry is widely considered to be one of the most promising theories for extending our understanding of the Universe. In this video, Dr. Don Lincoln explains what Supersymmetry actually is.
11 June 2015, 12:55 AM ET
A baffling new mystery has turned up on Mercury — a pattern of giant cliffs and ridges on the planet's surface that defies any explanation that scientists have currently been able to offer.
11 June 2015, 12:34 AM ET
Saturn's giant newfound ring is even larger than previously thought, spanning an area of sky
nearly 7,000 times larger than Saturn itself, researchers say.
06 June 2015, 01:56 AM ET
On Wednesday, President Barack Obama mentioned something curious in a tweet — it was a message about the cosmos.
04 June 2015, 11:40 PM ET
NASA could land astronauts on the Red Planet by 2039 without breaking the bank, provided the space agency takes a stepwise approach that includes a manned 2033 trip to the Mars moon Phobos, according to the research.
04 June 2015, 10:47 PM ET
Pluto's moons are even stranger and more intriguing than scientists had imagined, observations by NASA's Hubble Space Telescope reveal.
02 June 2015, 02:12 PM ET
Wispy, featherlike clouds off the coast of Chile appear to cover the Pacific Ocean in white fur, in a newly released satellite photo.
30 May 2015, 02:38 AM ET
Explosive geysers of material that shoot away from black holes at nearly the speed of light seem to form more often in galaxies that are the product of two galaxies merging together, according to a new study using data from the Hubble Space Telescope.
20 May 2015, 04:14 PM ET
The unmanned X-37B spacecraft launched atop a United Launch Alliance Atlas V rocket today (May 20) at 10:45 a.m. EDT from Florida's Cape Canaveral Air Force Station. The booster also carried the Planetary Society's tiny LightSail to orbit.
13 May 2015, 04:49 PM ET
New Horizons took a series of images from April 25 through May 1. The shots mark the first time New Horizons has managed to resolve the extremely faint Pluto moons Kerberos and Styx, mission team members said.
13 May 2015, 04:41 PM ET
Curiosity captured the images, which mission team members combined into a Martian sunset video, with its Mast Camera between dust storms on April 15, NASA officials said.
11 May 2015, 07:50 AM ET
A stunning image of more than 15,000 airplane flights around the world shows that satellite tracking of commercial aircraft is moving closer to reality.
07 May 2015, 01:26 PM ET
Astronomers have spotted a dead star polluted with heavy elements, suggesting that the star recently chowed down on a water-laced asteroid.
07 May 2015, 01:20 PM ET
Scientists at space agencies across the world are using satellite images and other technologies to aid those affected by Nepal's earthquake.
05 May 2015, 04:39 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.
04 May 2015, 10:04 AM ET
Eerie sounds from the edge of space were recorded for the first time in 50 years aboard a NASA student balloon experiment.
29 April 2015, 02:23 PM ET
Go in depth on StarTalk, Neil deGrasse Tyson's TV talk show about science, with Space.com television producer and science journalist Dave Brody.
29 April 2015, 10:51 AM ET
A young star in Orion's dusty nebula roughly 1,400 light-years away has erupted after munching down gas and dust.
25 April 2015, 07:03 AM ET
The Hubble Space Telescope, which is celebrating its 25th anniversary in space, has become known for capturing stunning and unprecedented views of the cosmos. But the famed orbiting observatory has also given us new perspectives of Earth.
24 April 2015, 07:07 AM ET
The Hubble Space Telescope is celebrating its 25th anniversary. Here are some of the most amazing photos taken by the iconic observatory.
20 April 2015, 08:41 PM ET
When the land is untouched, so is the nighttime sky.
15 April 2015, 05:53 PM ET
A key ingredient of the early Earth may have been a chunk of rock much like Mercury, scientists say. This finding could help explain how Earth's magnetic field has lasted for billions of years, researchers added.
15 April 2015, 12:30 PM ET
NASA's New Horizons mission to Pluto has returned its first color image of the dwarf planet and its largest moon, Charon. The new photo was taken on April 9, from a distance of about 71 million miles (115 million kilometers).
14 April 2015, 03:02 PM ET
The dark universe is coming into view, thanks to new maps that chart the location dark matter in the cosmos. The new maps, released today, show how dark matter affects the landscape of regular matter, and provides hints about dark energy.
14 April 2015, 10:36 AM ET
Ground-based and Hubble images of Pluto suggest it might be the reddest object in the Solar System. New Horizons' Principal Investigator Alan Stern explains how this could have happened.
09 April 2015, 01:34 AM ET
A new photograph of a distant galaxy looks like it was the inspiration for the 'one ring' in 'The Hobbit,' but it's actually a cosmic phenomenon in which the light from one galaxy is bent into a circle by the gravity of another galaxy.
08 April 2015, 03:33 PM ET
A cracking fireball that exploded over Russia last year appears to share an orbit with a huge asteroid discovered in October 2014.
08 April 2015, 12:13 PM ET
Solid signs of alien life will be spotted within 10 years, and definitive evidence will roll in within 20 to 30 years, NASA chief scientist Ellen Stofan said Tuesday (April 7).
03 April 2015, 06:55 PM ET
Don't forget to look skyward in the early hours of the morning tomorrow (April 4), to catch a glimpse of the shortest total lunar eclipse of the century, and the third of a four-eclipse "tetrad" visible from the United States.
01 April 2015, 05:09 PM ET
The astronauts living and working on the International Space Station are eye to eye with a deadly super typhoon as it heads toward the Philippines.