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20 March 2015, 12:18 PM ET
Molecular nitrogen – one of the key ingredients that put together the young solar system – has been found on a comet by the European Space Agency's Rosetta spacecraft. See what the discovery means for our understanding of the planets and solar system.
20 March 2015, 12:13 PM ET
On Feb. 20, 2015, the planets Venus and Mars joined Earth's moon to create a dazzling sight in the night sky. See photos of the triple conjunction by Space.com readers in our gallery here.
20 March 2015, 12:00 PM ET
Astronauts hoping to sip drinks in style may soon have a cocktail glass concept to look forward to. The Zero Gravity Cocktail Project is aiming to create an open-top glass that can be used in microgravity, using an innovative "groove system" that would ke
20 March 2015, 11:30 AM ET
Astronauts on the International Space Station caught sight of an amazing solar eclipse today (March 20), and they have the photos to prove it.
20 March 2015, 07:31 AM ET
A rare total solar eclipse dimmed the skies above a small swath of the world today (March 20), creating an incredible sight for skywatchers lucky enough to be in the right place at the right time to see it.
20 March 2015, 07:00 AM ET
Astrophotographer Miguel Claro took the image from Juromenha, Dark Sky Alqueva Reserve, Portugal on Jan. 11, 2015.
20 March 2015, 06:50 AM ET
Look southward just after the sky gets dark at this time of year, and you will be sure to see Sirius shining brightly. This is the brightest star in the sky, and marks the eye of the constellation called Canis Major, Latin for "the Large Dog."
20 March 2015, 05:23 AM ET
On March 20, 2015, the moon blocked the sun as seen from Earth in a total solar eclipse. See photos from the only total solar eclipse of 2015 in this Space.com gallery.
20 March 2015, 01:34 AM ET
A bizarre crystal-like mineral recently found in a meteorite that crashed to Earth 15,000 years ago adds more support for the idea that the fragile structure can survive in nature. But how it formed at the beginning of the solar system is still a mystery.
19 March 2015, 10:31 PM ET
The ISS is the most complex scientific and technological endeavor ever undertaken.
19 March 2015, 06:36 PM ET
The delay was necessitated by a lack of investment funding, which has slowed work on a robotic precursor mission that Mars One had wanted to send toward the Red Planet in 2018, Mars One CEO Bas Lansdorp said in a new video that posted March 19.
19 March 2015, 05:15 PM ET
A fleet of European satellites will chase the only total solar eclipse of 2015 from space on Friday (March 20) in a bid to capture truly out-of-this-world views of the celestial event.
19 March 2015, 04:26 PM ET
A dark line more than half a million miles long curves across the lower half of the sun in a gorgeous photo snapped by a NASA spacecraft. The line — what scientists call a solar filament — is longer than 67 Earths lined up side-by-side.
19 March 2015, 02:01 PM ET
Giant dust clouds seen in the early universe may have been created by exploding stars, a discovery that suggests supernovas were prolific space dust factories for ancient galaxies, scientists say.
19 March 2015, 01:00 PM ET
For years, many astronomers thought planets around red dwarfs were probably uninhabitable. But recently, the thinking has begun to change.
19 March 2015, 12:00 PM ET
An unexpected leak of a chemical designed to tag complex organic molecules in samples collected by NASA’s Mars rover Curiosity appears to have serendipitously done its job.
19 March 2015, 07:00 AM ET
NASA officials viewed Bigelow Aerospace's Bigelow Expandable Activity Module (BEAM) at the company's facility in Las Vegas on March 12. BEAM is scheduled toward the International Space Station atop SpaceX's Falcon 9 booster later this year.
19 March 2015, 07:00 AM ET
Even though most people around the world won't be able to see Friday's total solar eclipse in person, anyone with an Internet connection can watch it live online thanks to two webcasts featuring the cosmic event.
19 March 2015, 07:00 AM ET
NASA's MAVEN spacecraft spotted ultraviolet "Christmas light" auroras dancing in the Red Planet's atmosphere for five days leading up to Dec. 25, 2014.
18 March 2015, 05:08 PM ET
A total solar eclipse will be visible in parts of Europe, Asia and Africa on Friday (March 20), but eclipses can be dangerous, too, and no one should ever look directly at the sun — even during an eclipse.
18 March 2015, 05:08 PM ET
Virgin Galactic opened its latest commercial spaceflight facility this month to build a new rocket capable of launching small satellites into orbit.
18 March 2015, 04:08 PM ET
NASA's Lunar Reconnaissance Orbiter has spotted the crater left by the powerful moon impact of March 17, 2013.
18 March 2015, 03:50 PM ET
An Antarctic crew plans to simulate spaceflight during the long, cold winter to better understand how humans adapt to space.
18 March 2015, 02:47 PM ET
After astronomers recorded a bright flash on the Moon in March 2013 NASA tasked it Lunar Reconnaissance Orbiter to compare old and new images. Clues led the LRO team to find an 18-meter-wide crater, one of over 25 fresh impacts.
18 March 2015, 12:45 PM ET
It lasted just 12 minutes and 9 seconds, but the first spacewalk — 50 years ago — took the first steps towards shaping the future of space exploration. Soviet cosmonaut Alexei Leonov became the first person to leave his craft.
18 March 2015, 12:31 PM ET
Particles within a comet's tail can quickly whip up to the speed of the solar wind, according to observations of a comet in 2013.
18 March 2015, 11:37 AM ET
Green auroras danced in skies around the world last night thanks to a massive solar storm that super-charged the cosmic light displays for St. Patrick's Day.
18 March 2015, 11:00 AM ET
Space.com readers sent in their photos of the amazing auroras in 2015, including views captured during an intense geomagnetic storm on March 17-18, 2015.
18 March 2015, 07:00 AM ET
Sierra Nevada Corp. today (March 17) unveiled the autonomous cargo version of its Dream Chaser space plane, which the company hopes NASA chooses to fly the next round of cargo missions to the orbiting lab.
18 March 2015, 07:00 AM ET
A new asteroid-hunting computer program will help amateur astronomers and citizen scientists identify potentially hazardous space rocks faster and more accurately, NASA officials say.