20 March 2014, 03:05 PM ET
Even though its been a brutally cold winter for a lot of the United States, the average global temperature continues to rise. NASA climate scientist Dr. Compton Tucker talks to Space.com Tariq Malik about it.
20 March 2014, 02:41 PM ET
A NASA spacecraft has spotted a big Martian gully that formed in just the past three years or so. While the gully looks a lot like river channels here on Earth, it likely was carved out by carbon dioxide rather than by flowing water.
20 March 2014, 01:02 PM ET
Spring has officially sprung in the Northern Hemisphere and NASA is celebrating with a dazzling new view of the Earth from space today (March 20).
20 March 2014, 12:59 PM ET
NASA astronaut Mike Hopkins talks to Space.com's Tariq Malik about adjusting back to life on the ground. Hopkins spent 166 days aboard the International Space Station.
20 March 2014, 11:06 AM ET
You never know where you are going to find space for sale. From a Madison Ave. gallery to the holdings of the U.S. Marshals Office, historic space artifacts are now or soon will be up for auction. And that's just the start of the spring "space season."
20 March 2014, 10:39 AM ET
NASA's most powerful eye in the sky above Mars has bounced back from a recent computer glitch and resumed full duties observing the Red Planet.
20 March 2014, 10:30 AM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
20 March 2014, 06:28 AM ET
Using a donated spy-satellite telescope would boost the science capabilities of NASA's high-priority WFIRST space mission, but such gains could come at a significant financial cost, a new report concludes.
20 March 2014, 06:00 AM ET
The weather did not cooperate for night owls hoping to see a rare celestial sight in the wee hours of Thursday morning (March 20). Skywatchers stayed up late hoping to see the huge asteroid 163 Erigone pass in front of the bright star Regulus.
19 March 2014, 05:09 PM ET
Host Neil DeGrasse Tyson and the 'Ship of the Imagination' travel to the comet at edge of the solar system and explains how it 'falls' back to the inner solar system. The all-new "When Knowledge Conquered Fear" episode airs March 23 on Fox.
19 March 2014, 05:04 PM ET
The new infrared mosaic from Hubble shows knotty curls of dust and gas in the Monkey Head Nebula, a star-forming region that lies about 6,400 light-years away from Earth and is also known as NGC 2174 and Sharpless Sh2-252.
19 March 2014, 04:45 PM ET
On March 17, 2014 scientists announced the first direct detection of the cosmic inflation behind the rapid expansion of the universe just a tiny fraction of a second after the Big Bang 13.8 billion years ago. Gravitational waves play a big role.
19 March 2014, 04:31 PM ET
Get a little tipsy at your favorite bar while checking out a very rare cosmic treat happening above New York City tonight: An asteroid the size of Rhode Island will pass in front of one of the brightest stars in the night sky during the wee hours.
19 March 2014, 04:00 PM ET
The new mosaic — which was captured by NASA's Lunar Reconnaissance Orbiter — resolves features as small as 6.5 feet, providing information that could be used for landing-site scouting or to answer various questions about the lunar surface.
19 March 2014, 03:50 PM ET
For the first time, scientists have found primordial gravitational waves — long-sought evidence of cosmic inflation theory. Cosmic inflation suggests that the universe expanded at many times the speed of light a fraction of a second just after the Big Ban
19 March 2014, 03:15 PM ET
See the latest images of the moon from NASA's LRO spacecraft.
19 March 2014, 01:49 PM ET
Avid astrophotographer Mike Taylor captured this amazing image of the Milky Way galaxy, planet Venus and dazzling meteor on March 4, 2014. See how he did it.
19 March 2014, 01:31 PM ET
Photographer Matt Hartman captured this stunning image of an airplane streaking across a huge Full 'Worm' Moon on Sunday (March 16) as full moon of March lit up the Los Angeles sky.
19 March 2014, 11:58 AM ET
Canadian astronaut David Saint-Jacques explains how the Station's Canadarm2 captures spacecraft using a Canadian Space Agency simulator. ESA astronaut Andreas Mogensen hosts.
19 March 2014, 11:38 AM ET
The zodiacal light is one of the faintest celestial features you can see in the night sky, but only if you know how to look. The next two weeks are prime times to seek out the faint zodiacal light caused by sunlight reflecting off interplanetary dust. Her
19 March 2014, 11:25 AM ET
Skywatchers will get a glimpse of some truly amazing night sky events in 2014, from an asteroid zooming past one of the night sky's brightest stars to amazing full moons and Martian meteor showers. See the highlights in this Space.com infographic.
19 March 2014, 10:51 AM ET
NASA astronaut G. Reid Wiseman is excited about the long term implications of 3D printers in space. Wiseman and the 'Made In Space' printer are scheduled to meet on ISS in Aug. 2014. He spoke at a NASA event on Mar. 19th, 2014.
19 March 2014, 10:43 AM ET
From space tourism to mining asteroids, space exploration has entered the commercial era. Tonight, aerospace industry leaders and space historians will gather at the American Museum of Natural History for a live debate about "selling space."
19 March 2014, 09:00 AM ET
Woot! Spring break is here and it's time to take a trip - space style. This spring break, I'm shadowing Columbia astronomy professors and students to see the night sky from Kitt Peak, Arizona, a mecca of astronomy observatories. Check it out.
19 March 2014, 07:16 AM ET
In the not-too-distant future, humans will need to build an elevator to the heavens to find the resources so desperately needed down on Earth. That is the world of author William Forstchen's new book, 'Pillar to the Sky.'
19 March 2014, 01:03 AM ET
An asteroid the size of Rhode Island will briefly blot out one of the brightest stars in the sky overnight tonight (March 19-20), and you can watch the rare celestial event live online. Here's how.
18 March 2014, 07:59 PM ET
Could NASA scientists build an elevator to space? Science fiction author William Forstchen explores that and many other cosmic questions in his newest novel, "Pillar to the Sky" (Tor Books, February 2014).
18 March 2014, 05:37 PM ET
If you have clear weather this evening, you may catch a view of a waning gibbous moon accompanied by a very bright and colorful planet (Mars) to its upper left and a bright blue star (Spica) to its upper right.
18 March 2014, 05:20 PM ET
Read a Chapter 1 excerpt from the new trade paperback, "The Girls of Atomic City," a novel by Denise Kiernan.
18 March 2014, 04:52 PM ET
Surprised at his home (by gravitational wave co-discoverer Chao-Lin Kao) theoretical physicist Linde had waited for confirmation of his theory for 3 decades.
18 March 2014, 03:00 PM ET
Energetic solar particles created a powerful 'perfect' storm in space.
18 March 2014, 02:02 PM ET
This animation of NOAA's GOES satellite data shows the progression of another major winter storm over the U.S. Mid-Atlantic on March 16 and 17.