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06 November 2015, 05:50 PM ET
A newly released international trailer features as-yet-unseen footage from "Star Wars: The Force Awakens."
06 November 2015, 05:10 PM ET
A spectacular gathering of three bright planets and a lovely waning crescent moon will be the chief celestial attraction in the predawn sky this weekend, with the moon, Venus, Mars and Jupiter all making an appearance.
06 November 2015, 04:06 PM ET
The universe is expanding, relativity speaking.
06 November 2015, 03:47 PM ET
Two American astronauts took a marathon spacewalk on Friday, spending nearly eight hours outside the International Space Station on a truly out-of-this-world plumbing job.
06 November 2015, 03:42 PM ET
Observations of a strangely dimming star thought to possibly host an alien megastructure have not turned up signs of communications from an alien civilization, although the chatter may simply be too faint to hear.
06 November 2015, 02:15 PM ET
Human beings will always be explorers and we've already taken baby steps out into the solar system.
06 November 2015, 01:47 PM ET
Shooting the moon is fun, easy and very rewarding. This is because the moon is so bright and appears so large in the sky that even a small telescope can reveal a lot of interesting surface details. Here's how to do it.
06 November 2015, 01:11 PM ET
NASA has announced it will begin accepting applications for its next class of astronauts, luring candidates with a chance to "advance a future human mission to Mars." But a new astronaut needn't travel to the Red Planet to make U.S. human spaceflight hist
06 November 2015, 01:06 PM ET
Astrophotographers Imelda Joson and Edwin Aguirre provide tips for photographing the moon through telescopes.
06 November 2015, 12:21 PM ET
Walt Disney Japan has released the latest trailer. It cuts in previously unreleased footage into the full length trailer released in October 2015. The movie premieres in the United States on Dec. 18th.
06 November 2015, 11:00 AM ET
A previously unidentified highway of dust extends across the Milky Way, between the sun and the central bulge.
06 November 2015, 11:00 AM ET
The moon is a great target for stargazers just starting out. But there are some tricks to observing the moon with a telescope or binoculars. Here are some tips to start moongazing with a telescope.
06 November 2015, 08:50 AM ET
"The Martian" just topped the box office for the fifth consecutive weekend. Here are six surprising things you might now know about this Red Planet survival story.
06 November 2015, 08:22 AM ET
American astronauts Scott Kelly and Kjell Lindgren will venture out of the International Space Station this morning (Nov. 6) for the second spacewalk mission in two weeks — and you can watch their excursion online as it happens.
06 November 2015, 08:00 AM ET
Most of the carbon dioxide from Mars' formerly thick atmosphere was lost to space billions of years ago, meaning the greenhouse gas cannot be accessed to help warm the planet up again.
06 November 2015, 07:30 AM ET
NASA astronauts Scott Kelly and Kjell Lindgren took a 6.5-hour spacewalk outside the International Space Station Nov. 6, beginning at 6:22 a.m. EST (1122 GMT). You can watch it live here, courtesy of NASA.
05 November 2015, 05:48 PM ET
The first astronauts to set foot on Mars may be in for a spectacular sight — the entire night sky filled with glowing auroras.
05 November 2015, 03:16 PM ET
NASA's New Horizons spacecraft completed the last of four trajectory-altering engine burns Wednesday (Nov. 4) and is now on course to a small body called 2014 MU69, which lies more than 1 billion miles (1.6 billion kilometers) beyond Pluto.
05 November 2015, 02:01 PM ET
New results from NASA's MAVEN spacecraft suggest that Mars lost most of its atmosphere — which had kept the Red Planet relatively warm and allowed it to support liquid surface water — to space about 3.7 billion years ago.
05 November 2015, 02:01 PM ET
NASA's MAVEN mission has measured the speed and direction of ions escaping from Mars as a result solar winds crashing into the planet.
05 November 2015, 12:15 PM ET
On Oct. 6th, 1995, the reported discovery of jupiter-like exoplanet 51 Pegasi b catalyzed serious scientific quests for another Earth-like world.
05 November 2015, 10:42 AM ET
The European Space Agency's ExoMars 2018 rover was tested in the Netherlands on Oct. 28th and 29th, 2015. The rover was commanded to roll off its mock-up landing platform by mission controllers located at their command center hundreds of miles away.
05 November 2015, 10:34 AM ET
Co-author of more than 800 scientific papers, Don Lincoln pursues a range of elusive questions, from the nature of dark matter to the structure of quarks and leptons.
05 November 2015, 10:12 AM ET
05 November 2015, 09:30 AM ET
Space.com featured the art of mathematician and cosmologist Ed Belbruno in a gallery showing at New York's Café Minerva — and, next door, hosted a panel discussion probing science, art and the origin of inspiration.
05 November 2015, 07:45 AM ET
A new sci-fi TV show is coming this December and it's good. Like really, REALLY good.
05 November 2015, 07:45 AM ET
Earth's chemical composition is drastically different from that of the rocks that helped to form the planet. Now, scientists think they may know why: The constant pummeling that formed Earth may have altered its composition.
05 November 2015, 07:45 AM ET
NASA has now posted new photos of the ill-fated October 2014 Antares launch on its Flickr page — just a week or so after the agency released the results of its investigation into the failure.
04 November 2015, 05:40 PM ET
Meteors, popularly called "shooting stars," are much more common than most people think. In fact, there's a display going on now - courtesy of the Taurid meteor shower — if you know when and where to look.
04 November 2015, 04:14 PM ET
As of Nov. 2, "Lego Star Wars: Droid Tales" has finished its madcap five-episode race through the "Star Wars" story as told from R2-D2's and C-3PO's perspective.
04 November 2015, 03:19 PM ET
Dark matter particles may have interacted often with normal matter long ago, when the universe was very hot, a new study suggests.