09 May 2014, 04:50 PM ET
Four spacecraft and one ground-based observatory recorded the eruption of a powerful X-class solar flare on March 29, making it the best-observed such event in history, NASA officials said.
09 May 2014, 01:20 AM ET
This spectacular space wallpaper shows three of the four Auxiliary Telescopes of the Very Large Telescope Interferometer at ESO’s Paranal Observatory. Above the telescopes, the long bright stripes are star trails.
07 May 2014, 11:41 PM ET
This space wallpaper is an illustration of the hypothetical appearance of the exoplanet GJ 1214b, which is known as a "super-Earth" type planet because it is slightly more than six Earth masses.
05 May 2014, 05:15 PM ET
In all the universe, 'Life's the thing,' says 'Satch.' The guitarist / composer, shares the genesis of his cosmically flavored instrumental titles with Space.com's @DavidSkyBrody in this exclusive chat, which orbits around his just released memoir.
05 May 2014, 01:29 PM ET
A meteor shower caused by debris from the famous Halley's Comet will peak late tonight (May 5), with "shooting stars" expected to be visible across the night sky, if weather conditions cooperate.
03 May 2014, 08:13 PM ET
A unique camera system is helping open the moon to next-generation exploration.
03 May 2014, 12:49 AM ET
Through astronomy, people in rural Tanzania are gaining a new perspective on the universe.
02 May 2014, 04:01 PM ET
The equator of Beta Pictoris b, a gas giant about 10 times more massive than Jupiter, is moving at about 62,000 mph (100,000 km/h), researchers said — far faster than any planet in our solar system.
02 May 2014, 03:51 PM ET
Scientists have been on the hunt for dark matter for decades. A new hypothesis now suggests that the strange invisible stuff could be made of microscopic, or quantum, black hole atoms.
02 May 2014, 03:27 PM ET
Scientists have proposed a number of particles as candidate components of mysterious dark matter, which is so named because it apparently neither emits nor absorbs light. The hunt is on to find and characterize these exotic particles.
02 May 2014, 03:15 PM ET
Scientists hope space-grown crystals of the protein behind Huntington's disease could help them better understand the deadly neurodegenerative disorder.
02 May 2014, 02:56 PM ET
Astrophotographer Dora Miller sent in these photos of a spectacular northern lights show over Alaska on April 20. See what it felt like to see the dazzling aurora display.
29 April 2014, 10:35 PM ET
This stunning space wallpaper is a colorized composite image from NASA's Dawn mission showing the crater Antonia, which lies in the enormous Rheasilvia basin in the southern hemisphere of the giant asteroid Vesta.
29 April 2014, 04:43 PM ET
A Martian canyon looks much like parts of south-central Idaho, raising the question of whether the Red Planet once had enough water to experience enormous, catastrophic floods that could have carved these formations.
29 April 2014, 01:05 PM ET
A sunset solar eclipse wowed observers in Australia Tuesday (April 29) during the first solar eclipse of 2014. See photos of the solar eclipse here.
29 April 2014, 01:21 AM ET
We know we live in an expanding universe but it’s also changing color and has been doing so for billions of years.
28 April 2014, 10:26 PM ET
A cloud of gas headed for the heart of the Milky Way could provide insight into how black holes are supersized.
28 April 2014, 10:10 PM ET
This cool space wallpaper taken from the International Space Station is not an interstellar cloud formation but artificial light over a cloudy China.
27 April 2014, 07:03 PM ET
Everyone’s favorite furry aliens from Star Wars, the Ewoks, lived on the “forest moon of Endor”. In scientific terms, the Ewok’s home world would be referred to as an exomoon, or a moon that orbits any planet that orbits a star other than our sun.
26 April 2014, 02:24 PM ET
Everyone knows that alcohol – ethanol to be precise – is a liquid at normal temperatures. So how can Palcohol be a solid?
26 April 2014, 01:58 PM ET
The 1994 eclipse — when a dragon ate the sun.
26 April 2014, 01:40 AM ET
The discovery of exoplanets also slightly increases how much credence we give to the possibility of near-term human extinction. This because of a concept known as the Great Filter.
25 April 2014, 02:56 PM ET
The Milky Way is a spiral galaxy — but what exactly does it look like? Does it have two, four, or more arms? Astronomers think that now they’re one step closer to the answer.
25 April 2014, 02:45 PM ET
Two Michigan-based photographers, Terry Hancock of Fremont and Robert Fields of Howell Township, captured this brilliant image of three nebulas and a star cluster on April 11. See how they did it.
25 April 2014, 02:17 PM ET
Night sky photographer Giuseppe Petricca of Pisa, Italy, took these gorgeous images on March 3 of the crescent moon illuminated with earthshine over an Italian citadel. See how he did it.
25 April 2014, 10:06 AM ET
Noctilucent clouds are seeded by meteorites burning up in the atmosphere and form at Earth's polar regions. Researchers have found correlations with the appearance of these clouds and Earth's climate.
24 April 2014, 07:00 PM ET
NASA has long held the lead in the exploration of Mars, and that trend will continue, says NASA administrator Charles Bolden.
23 April 2014, 11:13 PM ET
Scientists created this stunning space wallpaper, which is a composite image of Vesta's crater Aelia. The image reveals the flow material on the inside and outside of the crater.
22 April 2014, 11:17 PM ET
This space wallpaper is a color-coded topography map of Juventae Chasma revealed by Mars Express. White and red show the highest terrains, while blue and purple show the deepest.
22 April 2014, 03:00 PM ET
Between 2000 and 2013, 26 explosions ranging from 1-600 kilotons have been detected by the Nuclear Test Ban Treaty Organization's network of sensors. The bomb that decimated Hiroshima had an energy equivalent of 15 kilotons.
19 April 2014, 09:54 PM ET
Astrophysicists are getting to the depth of dark matter.
18 April 2014, 02:01 PM ET
The space agency's Lunar Atmosphere and Dust Environment Explorer spacecraft (LADEE) made its planned crash into the lunar surface between 12:30 a.m. EDT (0430 GMT) and 1:22 a.m. EDT (0522 GMT) on April 18 after orbiting the moon since October 2.