12 February 2016, 05:41 PM ET
The first-ever direct detection of gravitational waves will open up an entirely new window on the universe, researchers say.
12 February 2016, 09:22 AM ET
Most space rocks burn up in the Earth's atmosphere, creating shooting stars. But some larger, denser extraterrestrial rocks crash onto our planet and become meteorites.
12 February 2016, 06:41 AM ET
When news broke that a meteorite may have crash-landed in India last weekend, some experts thought it was odd that no one had seen a fiery space rock blaze across the sky.
11 February 2016, 05:25 PM ET
The much-anticipated report of gravitational waves generated its own waves of enthusiasm and celebration across social media, as astrophysicists and science nerds alike shared their delight.
11 February 2016, 03:03 PM ET
11 February 2016, 02:56 PM ET
A new sound file captures the unforgettable sound of gravitational waves emerging from a cosmic collision between two black holes.
11 February 2016, 02:28 PM ET
A new image shows how an unobtrusive blip in a light signal from a detector showed a cosmic smashup between two black holes.
11 February 2016, 11:09 AM ET
On Sept. 14th, 2015, physicists directly observed gravitational waves created by the merger of 2 black holes. Northwestern University’s Vicky Kalogera and Shane Larson explain the find.
11 February 2016, 10:34 AM ET
100 years after Albert Einstein first proposed these ripples in spacetime as part of his theory of relativity astrophysicists have found proof of their existence.
11 February 2016, 09:30 AM ET
Gravity waves, gravitational waves and primordial gravitational waves... what do they mean? Is there a difference?
10 February 2016, 01:08 PM ET
A powerful greenhouse effect can destroy a planet's chances of hosting life, a new study suggests.
09 February 2016, 12:13 PM ET
A strike by a medium-size asteroid on land (as opposed to at sea) could cause average global temperatures to plunge to Ice Age levels, and lead to steep drops in precipitation and plant productivity, among other effects, a new study suggests.
08 February 2016, 02:43 PM ET
For the first time in recorded history, a meteorite is reported to have killed a person.
08 February 2016, 10:19 AM ET
It's looking less likely that a faraway star's strange dimming can be explained by a swarm of comets or an "alien megastructure."
05 February 2016, 05:24 PM ET
A combination of computer modeling and solar imagery visualize the sun's magnetic structure, offering a peek at the intense and dramatic activity that keeps the star's engine running.
05 February 2016, 10:58 AM ET
A newly released photo captured by NASA's New Horizons spacecraft during its historic Pluto flyby last July shows that the vast Sputnik Planum region within the dwarf planet's "heart" is studded with chains and clusters of water-ice hills.
04 February 2016, 11:02 AM ET
The near-Earth asteroid 2013 TX68, which is thought to be about 100 feet long, will zoom past our planet on March 5. The space rock could come as close as 11,000 miles or stay up to 9 million miles away during the flyby, researchers say.
04 February 2016, 09:59 AM ET
Looping, swirling, whipping magnetic fields – not visible to the naked eye – power and direct titanic explosions off the Sun’s surface.
02 February 2016, 02:29 PM ET
The car-size Curiosity rover was hard at work investigating Namib Dune — part of a larger complex of shifting dark Martian sand called Bagnold Dunes — when it captured the photo on Jan. 19.
29 January 2016, 09:55 AM ET
Two species of tiny fungi from Antarctica survived an 18-month exposure to Mars-like conditions aboard the International Space Station, according to the study, which was published last month in the journal Astrobiology.
28 January 2016, 03:20 PM ET
A massive winter storm that slammed the U.S. East Coast last weekend dumped so much white stuff on the ground that the extensive snow cover was clearly visible from space.
28 January 2016, 11:44 AM ET
Thirty years ago today, NASA suffered a spaceflight tragedy that stunned the world and changed the agency forever. NASA astronauts had died on the job before, but the Challenger disaster was something different altogether.
22 January 2016, 06:52 PM ET
NASA and NOAA have their satellite eyes on the powerful winter storm bearing down on the Mid-Atlantic region of the U.S. East Coast this weekend, with the latest views showing the storm's growth and progress through the afternoon.
22 January 2016, 06:09 PM ET
The new Hubble image depicts the star cluster Trumpler 14, a collection of about 2,000 young stars that lies 8,000 light-years from Earth, near the center of the Carina Nebula.
22 January 2016, 05:07 PM ET
Can a full moon make a winter storm even worse? Yes, scientists say. Here's how.
22 January 2016, 11:18 AM ET
It might be easy for life to evolve throughout the universe, but very hard for it to get any kind of a foothold, a new study suggests. This could be the answer to the famous Fermi Paradox, which in its simplest form asks, "Where is everybody?"
22 January 2016, 11:04 AM ET
Scientists have detected microbes in Greenland sea ice using a specially built digital holographic microscope, suggesting that the instrument could have similar success on icy moons in the outer solar system, if any of them harbor life.
21 January 2016, 08:46 AM ET
Scientists have found evidence of a true ninth planet in our solar system. Nicknamed "Planet Nine," the real-life Planet X appears to have the mass of 10 Earths and is 20 times farther from the sun than Neptune.
20 January 2016, 01:42 PM ET
A possible planet – larger than Earth but smaller than Neptune – orbiting the Sun once every 15,000 years, could explain the peculiar clumping of Kuiper Belt Objects in our solar system.
19 January 2016, 06:15 PM ET
Zinnias have opened their petals for the first time on the International Space Station, and NASA astronaut Scott Kelly couldn't be prouder.
14 January 2016, 11:43 AM ET
An enormous gas cloud in the early universe has a very small amount of the heavy elements that would form in later stellar generations, suggesting that it was "polluted" by the very first stars.
11 January 2016, 08:37 PM ET
Astronauts, scientists and members of the spaceflight industry are joining people all over the world in mourning the death of music icon David Bowie, who passed away yesterday (Jan. 10).
08 January 2016, 10:13 AM ET
Planetary Resources, which aims to extract water and other useful materials from asteroids, has 3D-printed an object using metals from a space rock.
07 January 2016, 10:18 AM ET
Once life gets started in dense stellar groups, it could quickly go interstellar, thanks to old stars and close neighbors.
06 January 2016, 05:35 PM ET
For the first time, astronomers have seen dim flickers of visible light from near a black hole, researchers say. In fact, the light could be visible to anyone with a moderate-size telescope.
05 January 2016, 01:34 PM ET
More than 20,000 newly released documents reveal intriguing details about the U.S. Air Force's MOL program, which ran from December 1963 until its cancellation in June 1969.