Science & Astronomy Archive
24 February 2015, 12:47 PM ET
NASA's Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite shows wind blown Saharan dust nourishes plants with phosphorus, which is in limited supply in the Amazon.
24 February 2015, 09:58 AM ET
"Unofficial orbit solution puts this comet at ~4 solar radii on Feb. 19th (2015). That's insanely close," according to the Naval Research Lab's Karl Battam.
24 February 2015, 07:00 AM ET
For more than 50 years, scientists have been scanning the heavens for signals that may have been generated by intelligent alien life. Some researchers are advocating that we beam out signals of our own designed to catch aliens' eyes as well.
24 February 2015, 07:00 AM ET
"Vulcan planets" probably originated from a stream of pebbles and small rocks that spiraled inward from more distant parts of their solar systems, a new study suggests.
23 February 2015, 05:00 PM ET
Researchers used the ALMA telescope array in Chile to pull apart the layers of star-forming regions in a nearby galaxy, revealing the differences that can cause starburst galaxies to create stars up to 1,000 times more rapidly than the Milky Way.
23 February 2015, 01:26 PM ET
Ceres, orbiting between Mars and Jupiter, has almost no gravity, warmth or atmosphere.
23 February 2015, 10:55 AM ET
An art exhibit at the Cooper Hewitt Smithsonian Design Museum in New York City bring together tools from throughout human history: from ancient artifacts to cutting edge instruments for space exploration.
23 February 2015, 10:48 AM ET
NASA researchers think they understand why comets have a hard, crispy outside and a cold but soft inside — just like fried ice cream.
21 February 2015, 07:16 PM ET
Using the new SPHERE instrument on the European Very Large Telescope, astronomers have revealed the unusual double star does not have a brown dwarf star orbiting it as previously thought.
21 February 2015, 04:46 PM ET
Europe's last cargo spacecraft came down to Earth in a fiery blaze and scientists reported seeing mysterious plumes emanating from Mars. Here are Space.com's picks for the best space stories of the week.
21 February 2015, 12:42 PM ET
From mysterious plumes on Mars to a space station made of matchsticks, don't miss these amazing space images of the week for Feb. 22, 2015.
20 February 2015, 05:35 PM ET
A strange set of 48 galaxies in the Coma Cluster has very few stars, revealing that these galaxies are especially rich in dark matter. The galaxies may have been robbed of much of their star-forming gas early in their formation, researchers say.
20 February 2015, 09:43 AM ET
Earth's water has a mysterious past stretching back to the primordial clouds of gas that birthed the Sun and other stars.
20 February 2015, 07:00 AM ET
NASA officials have asked scientists to consider ways that a Europa mission could search for evidence of alien life in the plumes of water vapor that apparently blast into space from Europa's south polar region.
20 February 2015, 12:43 AM ET
This spectacular space wallpaper shows ESO’s Paranal Observatory in Chile soon after sunset. The last rays of the day create a spectacular orange haze as they pass through the dusty lower levels of the atmosphere, setting a perfect scene.
19 February 2015, 05:30 PM ET
For the first time, astronomers have caught a fast radio burst as it was happening and just might be zeroing in on the origins of these energetic events.
19 February 2015, 03:25 PM ET
A dim red dwarf and its brown-dwarf companion likely grazed the outer edges of the solar system 70,000 years ago in what scientists say was the closest encounter ever between our sun and another star.
19 February 2015, 02:01 PM ET
A hungry black hole has belched up a bubble of cosmic wind that could eliminate the rest of its meal and change the landscape of the entire galaxy, according to new observations.
19 February 2015, 01:18 PM ET
The traditional Chinese month-keeping is based on lunar cycles periodically offset to sync with solar events to form a 'lunisolar' calendar, this year represented by a horned farm animal. But which one depends upon who you ask.
19 February 2015, 12:32 PM ET
Designing, building and operating Laser Interferometer Gravitational-wave Observatories (LIGO) is tedious and exacting. These out-takes from "LIGO Generations" (film) show keeping a sense of humor is an essential element of the scientific method.
19 February 2015, 12:32 PM ET
Designing, building and operating Laser Interferometer Gravitational-wave Observatories (LIGO) is tedious and exacting. These out-takes from "LIGO Generations" (film) show keeping a sense of humor is an essential element of the scientific method.
19 February 2015, 11:46 AM ET
Today's Google doodle rings in the Chinese New Year, an event that is determined by the cycles of the moon.
19 February 2015, 09:50 AM ET
The world's biggest and most powerful particle smasher is gearing up for hunt for new particles, including mysterious dark matter and clues for supersymmetry.
19 February 2015, 07:30 AM ET
Future moon colonists seeking water should focus on crater slopes that face the south pole rather than those that face the equator, according to investigators working on NASA's Lunar Reconnaissance Orbiter mission.
19 February 2015, 07:00 AM ET
NASA's New Horizons spacecraft captured images of Nix and Hydra, two of Pluto's five known moons, from Jan. 27 through Feb. 8, at distances ranging from 125 million miles to 115 million miles (201 million to 186 million kilometers).
18 February 2015, 05:53 PM ET
A series of images taken by the NASA Horizons Mission from Jan. 27-Feb. 8, 2015 shows the two moons (25 to 95 miles in diameter) orbiting Pluto.
18 February 2015, 03:02 PM ET
The 149th crew to "explore" the Red Planet care of the Mars Desert Research Station has made some interesting discoveries — not all what you would expect.
18 February 2015, 02:53 PM ET
In a Mars environment, it appears even brewing may be possible.
18 February 2015, 02:29 PM ET
Explosions on the surface of a dying star may help solve the mystery of the presence of lithium in the galaxy.
18 February 2015, 12:04 PM ET
A robotic submarine could explore the methane seas on Titan, Saturn's largest moon. See how space technology and NASA are working to make this a reality.
18 February 2015, 11:10 AM ET
A huge fireball was captured by NASA All-Sky camera at the Allegheny Observatory near Pittsburgh in the early morning hours of February 17th, 2015.
18 February 2015, 06:30 AM ET
Dawn's most recent images, taken Feb. 12 at a distance of 52,000 miles (83,000 kilometers) from Ceres, show an abundance of craters on the dwarf planet, as well as numerous bright spots that have scientists baffled.