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.
21 November 2015, 12:42 AM ET
This image of the Milky Way from the edge of the Grand Prismatic Spring in the Midway Geyser Basin in Yellowstone on June 27, 2015.
21 November 2015, 12:23 AM ET
A sudden spurt of liquid water on Mars could potentially create deep lakes today, new research suggests.
19 November 2015, 11:49 PM ET
How can Einstein's theories meld with the odd observations of the quantum world?
19 November 2015, 06:29 PM ET
Abraham Lincoln is best-known for abolishing slavery and keeping the United States together through the Civil War, but he also helped the country become the scientific and engineering powerhouse we know today.
16 November 2015, 04:39 PM ET
Pluto's the prettiest dwarf planet at the party in this new, brilliantly colored image recently released by NASA.
12 November 2015, 02:03 PM ET
A new study delivers the first evidence that water in ancient dust grains collected at the heart of an infant Earth during its formative years.
11 November 2015, 01:31 PM ET
The western lobe of Pluto's "heart" is surprisingly young — no more than 10 million years old — and the dwarf planet's atmosphere is surprisingly compact. The latest research from the New Horizons mission continues to reveal surprises from the dwarf plane
11 November 2015, 01:16 PM ET
A "zombie" star and the remains of its lunch are revealed in a new close-up view, 12 years in the making.
05 November 2015, 10:49 AM ET
Earth's chemical composition is drastically different from that of the rocks that helped to form the planet. Now, scientists think they may know why: The constant pummeling that formed Earth may have altered its composition.
05 November 2015, 10:17 AM ET
Dark matter particles may have interacted often with normal matter long ago, when the universe was very hot, a new study suggests.
02 November 2015, 01:33 PM ET
On Thursday (Oct. 29), the White House released two documents that lay out the nation's official plan for mitigating the negative impacts of solar flares and other types of "space weather."
31 October 2015, 08:48 PM ET
In space, no one can hear you litter (but that doesn't mean it's a good idea).
31 October 2015, 12:18 AM ET
The powerful X-ray flares seen erupting from supermassive black holes are tied to the motion of these behemoths' surrounding "coronas," mysterious features that are sources of high-energy light, a new study suggests.
30 October 2015, 11:58 PM ET
A star is dimming for reasons that astronomers can't explain. Is it an alien megastructure? What sort of alien megastructures would be possible?
28 October 2015, 10:27 AM ET
Astronomers around the world are keeping a close eye on a mysteriously dimming star, and their observations could soon shed light on whether it is indeed surrounded by some sort of "alien megastructure."