19 February 2015, 07:06 AM ET
Clouds are interrupting the natural night cycles of the moon and stars. Because of light pollution, when clouds roll in at night, cities brighten instead of growing darker, researchers find.
11 February 2015, 10:00 AM ET
The universe is smiling today — at least, that's what it looks like in a new space photo that appears to feature a smiling face emerging from the light of the universe.
09 February 2015, 12:55 PM ET
Neil Armstrong had a secret stash of moon landing mementos. The first man to walk on the moon kept a bag full of small parts from the lunar module that he and his Apollo 11 crewmate Buzz Aldrin famously piloted to a landing at Tranquility Base in 1969.
09 February 2015, 12:52 PM ET
Evidence provided by pulverized rocks offers the most comprehensive view yet of Alamo crater, the most accessible impact crater in North America.
04 February 2015, 11:40 AM ET
New research finds methane in rock that had been buried perhaps 12 miles (19 kilometers) underground millions of years ago.
03 February 2015, 09:52 AM ET
Orange bubbles, blue patches, and red wisps of light dance in this NASA/ESA Hubble Space Telescope photo toward the constellation of Taurus.
30 January 2015, 12:50 PM ET
Seven thousand year-old rock paintings in the Sahara desert have, somewhat serendipitously, helped uncover evidence of ancient lake beds.
30 January 2015, 12:08 PM ET
ETs may be tiny, but we'll find them.
29 January 2015, 06:54 AM ET
Building a quantum computer can sometimes yield unexpected benefits — like providing the right environment to demonstrate that Albert Einstein's theory of special relativity is, in fact, correct.
29 January 2015, 06:52 AM ET
Astronaut Samantha Cristoforetti captured a jaw-dropping photo of Cyclone Bansi from the International Space Station.
28 January 2015, 03:33 PM ET
New research claims to have solved a messy paradox that has plagued geoscientists who study Earth's core and its life-protecting magnetic field.
27 January 2015, 12:48 PM ET
A "faster-than-light" experiment could be a real-world tool for studying the cosmos, according to research presented this month at the 225th American Astronomical Society meeting in Seattle.
26 January 2015, 12:31 PM ET
A huge asteroid will become the largest space rock of its kind to pass closest to Earth until 2027 today (Jan. 26) when it zooms safely by Earth beyond the orbit of the moon. You can see the space rock's flyby live online.
23 January 2015, 09:47 AM ET
Using laser blasts, scientists have recreated the extreme temperatures and pressures found inside "super-Earth" exoplanets as well as in icy giants such as Neptune and Uranus, shedding light on what the interiors of these exotic worlds are like.
21 January 2015, 12:12 AM ET
NASA's Dawn spacecraft has captured amazing new images of the dwarf planet Ceres ahead of the probe's March 6 arrival at the giant space rockk. See the images here.
20 January 2015, 11:48 PM ET
A new alien-planet–hunting telescope has just come online in Chile, and it could help scientists peer into the atmospheres of relatively small planets circling nearby stars.
16 January 2015, 03:05 PM ET
Dark matter and dark energy can't be seen, but that doesn't mean they don't yield stunning images.
15 January 2015, 12:52 PM ET
Sugars may form in the types of ice found in deep space — a finding that could help to explain how comets and meteorites could have seeded the primordial Earth with key ingredients for life.
13 January 2015, 01:08 PM ET
The supermassive black hole at the center of the Milky Way galaxy recently spit out the largest X-ray flare ever seen in that region, astronomers reported this week at the 225th meeting of the American Astronomical Society.
09 January 2015, 01:44 PM ET
Researchers in remote East Antarctica think a massive area of fractured ice discovered last month could be a newfound meteorite impact crater.
09 January 2015, 09:49 AM ET
The Hubble Space Telescope has captured an amazing new viewof the Andromeda Galaxy. The new mosaic image represents the sharpest and largest mosaic image of the Milky Way's galactic neighbor ever taken, Hubble officials said.
08 January 2015, 11:23 AM ET
A 2004 infrasound recording suggests a 'large body' likely hit the King Baudoin Ice Shelf in East Antarctica. On Dec. 20th, 2014, a circular structure was spotted on the ice shelf during surveys by the International Polar Foundation.
07 January 2015, 12:12 PM ET
NASA's Kepler Space Telescope has discovered its 1,000th alien planet, further cementing the mission's status as a space-science legend. Kepler has found more than half of all known exoplanets to date, and the numbers will keep rolling in.
06 January 2015, 04:04 PM ET
06 January 2015, 11:24 AM ET
Amazing new images of the Eagle Nebula's iconic Pillars of Creation from the Hubble Space Telescope reveal how the nebula has changed 20 years after Hubble's first photo of the region.
06 January 2015, 11:17 AM ET
NASA has proposed a new citizen science challenge called the 20-20-20 Airship Challenge that calls for high-altitude and long-duration airship designs.
02 January 2015, 02:56 PM ET
Stargazers can start the New Year off with a bang this weekend as the first meteor shower of 2015 reaches its peak on Saturday night (Jan. 3). Here's how to see the 2015 Quadrantid meteor shower.
29 December 2014, 06:14 AM ET
The past year has been a boom time for the commercial spaceflight industry, but alongside the successes have come failures, even tragedies.
24 December 2014, 03:00 PM ET
Everyday problems — and even major political and cultural conflicts — seem a lot smaller when you're watching them play out from 250 miles above Earth's surface.
23 December 2014, 03:10 PM ET
The new image, which was taken by the NuSTAR spacecraft, is the best-ever view of the sun in high-energy X-ray light. The photo, and others taken by NuSTAR in the future, should help researchers learn more about our star, researchers said.
20 December 2014, 03:35 AM ET
The technology of the future can't wait.
19 December 2014, 12:38 PM ET
The first-ever soft landing of a robotic probe the surface of a comet has just been named the top scientific breakthrough of 2014 by the journal Science.