Science & Astronomy Archive
18 August 2015, 04:35 PM ET
Black hole RGG 118's mass is 50,000 times that of the Sun and is 100 times less massive than the one found in the center of the milky way.
18 August 2015, 03:54 PM ET
In TWO stunning orbital photos, a thunderstorm over Mexico generated two huge, red sprites reaching into space.Ω
18 August 2015, 03:49 PM ET
The mystery behind the origin of what may be Saturn's oddest ring and its two companion moons may finally be solved: They came from an ancient, catastrophic collision, researchers say.
18 August 2015, 02:10 PM ET
An astrophotographer spotted a beautifully-formed solar prominence that looks like a giant version of the famous Parisian landmark.
18 August 2015, 12:30 PM ET
These comets were not seen in abundance until the SOHO, STEREO, and SDO observatories were put into service. Most stem from the Kreutz family of comets, fragments of a large comet that broke up several hundred years ago.
18 August 2015, 12:04 AM ET
When the magnetosphere shields Earth from these solar particles, they get funneled toward the polar regions of our atmosphere.
17 August 2015, 03:30 PM ET
After nearly 20 years gazing at the sun, the SOHO spacecraft is about to spy its 3,000th comet.
17 August 2015, 01:39 PM ET
After two giant explosions in Tianjin, a black plume of smoke snaked over China's Bohai Sea.
17 August 2015, 11:58 AM ET
Neutron stars are some of the strangest objects in the universe. This video describes that it would be like to live on one, and what horrible things they would do to you!
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.