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.
05 January 2016, 09:24 AM ET
An enterprising artist has taken on one of the biggest concepts known to man: the universe.
30 December 2015, 08:11 AM ET
Scientists have produced a powder of plutonium-238 for the first time in nearly 30 years in the United States, a milestone that they say sets the country on a path toward powering NASA's deep-space exploration and other missions.
23 December 2015, 01:40 PM ET
There is no substance to multiple media reports that an asteroid passing by Earth will cause earthquakes on our own planet, according to asteroid experts at NASA's Jet Propulsion Laboratory.
22 December 2015, 07:57 AM ET
A Danish astronomer recently made an unexpected discovery — cartons holding hundreds of glass plates imprinted with images of telescope observations, some of which were 120 years old.
22 December 2015, 07:53 AM ET
Photographic glass plates imprinted with astronomy observations offer a unique view of the sky from decades long past.
17 December 2015, 05:13 PM ET
A cosmic lightsaber, trillions of miles long, slices through the dark clouds of dust and gas that surround it in a new image captured by NASA's Hubble Space Telescope.
16 December 2015, 01:41 PM ET
Author and PBS host Robert Lawrence Kuhn brings his unique, mind-bending questions to the Expert Voices platform.
10 December 2015, 01:41 PM ET
The Geminid meteor shower peaks this week. Here's how to see it.
10 December 2015, 01:06 PM ET
Observations made by NASA's Dawn spacecraft suggest that Ceres' many bright spots could be made primarily of hydrated magnesium sulfates. Here on Earth, magnesium sulfate is sold as Epsom salt.
09 December 2015, 12:43 PM ET
Mum's the word: The secretive X-37B space plane has winged its way past the 200 day mark, carrying out a classified agenda for the U.S. Air Force.
03 December 2015, 11:20 PM ET
A supermassive black hole anchoring the center of a nearby galaxy has been caught in a rarely seen double act: ripping apart a nearby sun-size star and shooting out jets of debris from its center at close to light speed.
03 December 2015, 11:08 PM ET
Astrophysicists have created a computer model that simulates a dying stars' magnetic guts before generating a cosmic monster.
25 November 2015, 10:34 AM ET
Mars may one day have rings like Saturn's, if the Red Planet manages to completely crush its innermost moon, Phobos.
25 November 2015, 10:27 AM ET
Computer simulations suggest that filaments of invisible dark matter form long "hairs" when they go through planets such as Earth.
24 November 2015, 04:56 PM ET
What really happened at the start of the Big Bang?
23 November 2015, 06:11 PM ET
Brookhaven National Laboratory chemist Ray Davis built an experiment to detect neutrinos coming from the Sun. He placed his detector nearly a mile underground in the Homestake gold mine in South Dakota.