Science & Astronomy Archive
17 August 2015, 07:20 AM ET
A tilted orbit and a thick atmosphere could help a distant super-Earth hold onto oceans of water, making it a possible location for life to evolve.
17 August 2015, 07:00 AM ET
The Cassini spacecraft will make one last close flyby of Saturn's moon Dione on Monday (Aug. 17), in search of clues about the moon's strange features.
17 August 2015, 07:00 AM ET
Something mysterious is happening on the surface of Pluto: No matter how much nitrogen the atmosphere releases into space, it's still chock-full of the stuff. New work examines the possible culprits for the stealthy nitrogen resupply.
16 August 2015, 09:40 AM ET
The discovery of a baby Jupiter could be an important step in rewriting the book on planet formation.
16 August 2015, 09:00 AM ET
NASA astronauts eat space-grown lettuce for the first time, and burying people on the moon gets easier — here are Space.com's best space stories of the week.
15 August 2015, 07:00 AM ET
From the magnificent Milky Way to a tribute to Leonard Nimoy, don't miss these stunning space images.
14 August 2015, 05:22 PM ET
It's been a wild 2015 for United States weather, and more changes are afoot when El Niño takes hold in the Pacific, NASA said.
14 August 2015, 02:43 PM ET
If you see a magnetar, don't pick it up.
14 August 2015, 07:00 AM ET
Attempts to recreate the conditions surrounding Jupiter's Great Red Spot in a lab on Earth are helping scientists to understand the mystery of the enormous storm.
14 August 2015, 07:00 AM ET
Daily sunspot counts going back 400 years have been revisited by scientists who say the numbers aren't quite right, suggesting solar activity has not varied as wildly as previously thought.
14 August 2015, 06:18 AM ET
Located at the heart of a dwarf galaxy known as RGG 118, the black hole contains about 50,000 times more mass than the sun. It's therefore less than half as heavy as the second-smallest known supermassive black hole, researchers said.
14 August 2015, 01:18 AM ET
Matter and antimatter appear to be perfect mirror images of each other, scientists have discovered with unprecedented levels of precision, foiling hope of solving the mystery as to why there is far matter than antimatter in the universe.
13 August 2015, 02:01 PM ET
Astronomers have detected the smallest alien planet yet to be directly photographed by a telescope on Earth, a methane-shrouded gas giant much like a young Jupiter. The planet 51 Eridani b orbits a star 96 light-years from Earth and resembles a young Jupi
13 August 2015, 02:00 PM ET
Is this new exoplanet what Jupiter looked like as a baby?
13 August 2015, 02:00 PM ET
A planet only 20 million years old and still hot from its creation has been photographed in a solar system 96 light-years from Earth.
13 August 2015, 07:00 AM ET
After more than a year orbiting Comet 67P/Churyumov–Gerasimenko, the Rosetta spacecraft and its dance partner will get to the closest point to the sun today (Aug. 13).
13 August 2015, 07:00 AM ET
NASA will host a live webcast of the Perseid meteor shower late Wednesday, Aug. 12, beginning at 10 p.m. EDT and running through 2 a.m. EDT on Thursday, Aug. 13. Here's how to watch live.
12 August 2015, 03:56 PM ET
For many skywatchers across the United States, clear skies and a dark moon will create optimal viewing conditions for tonight's Perseid meteor shower. Clouds will obscure viewing conditions in some areas, however.
12 August 2015, 01:49 PM ET
The European Space Agency's Rosetta orbiter has been imaging comet 67P/Churyumov-Gerasimenko – watching the celestial wanderer hurling dust and gas into space.
12 August 2015, 11:52 AM ET
The brightest nova of the century blasted lithium into space at 1.2 million mph (2 million km/h), new research reveals, cracking a long-standing mystery about the universe's chemical balance.
12 August 2015, 07:00 AM ET
NASA's Mars Reconnaissance Orbiter blasted off atop a United Launch Alliance Atlas V rocket on Aug. 12, 2005, from Florida's Cape Canaveral Air Force Station. MRO is still going strong today, returning reams of data about the Red Planet.
12 August 2015, 06:57 AM ET
The chief goal of the meeting was to start refining the mission's planned science operations, with a particular emphasis on how its nine instruments will work together to investigate Europa's habitability, agency officials said.
12 August 2015, 06:56 AM ET
Contamination of samples collected by NASA's Mars 2020 rover is all but certain, so scientists must determine just how clean they can feasibly be kept.
12 August 2015, 03:29 AM ET
The public can now vote on a shortlist of proposed common names for 32 exoplanets, as well as most of their host stars, in the International Astronomical Union's "NameExoWorlds" competition.
12 August 2015, 12:53 AM ET
A super-Earth is an extrasolar planet that is close to Earth's size and mass, but does not have the mass of a gas giant.
11 August 2015, 03:46 PM ET
More than 6,000 'Star Trek' fans are now part of a giant online tribute to Leonard Nimoy, who played the Vulcan alien Spock on the famed series.
11 August 2015, 07:30 AM ET
The space agency just opened the latest round of its Cubesat Launch Initiative, which provides rocket rides for tiny spacecraft developed by researchers at NASA, academic institutions and nonprofit organizations.
11 August 2015, 07:23 AM ET
Today, the International Astronomical Union will announce the results of its "Name the Exoworlds" campaign, which asked the public to vote on names for 32 alien planets in 20 different star systems.
10 August 2015, 10:10 PM ET
Rocky surfaces and molten cores are what the four inner planets of the solar system have in common