25 November 2015, 03:00 PM ET
As the moon moves around the Earth in its monthly orbit, it often passes in front of background stars. Such events are called "lunar occultations" and one will happen Thursday at dawn in a Thanksgiving lunar treat.
25 November 2015, 01:00 PM ET
The mysterious tilt of the moon's orbit is due to gravitational tugs it received from giant, close-passing rocks that later slammed into the Earth, researchers say.
25 November 2015, 12:30 PM ET
NASA Johnson interns have created yet another hilarious parody music video, with this latest one highlighting Scott Kelly's epic one-year mission aboard the International Space Station.
25 November 2015, 11:33 AM ET
November's full moon will rise tonight, bringing an early Thanksgiving treat for skywatchers lucky enough to have clear skies over the long U.S. holiday weekend.
25 November 2015, 07:53 AM ET
Astronauts give thanks and preview their "traditional" space meal in a new Thanksgiving greeting from the International Space Station.
25 November 2015, 07:53 AM ET
A new view of one of the largest known stars in the Milky Way gives the skinny on how giant stars quickly lose mass near the ends of their lives, preparing for huge supernova explosions.
25 November 2015, 07:41 AM ET
Following the successful landing of a reusable-rocket booster, Jeff Bezos, CEO of the private commercial spaceflight company Blue Origin, told reporters, "We are on the verge of a golden age of space exploration."
25 November 2015, 06:00 AM ET
30-40 times more massive than the Sun, the star named VY Canis Majoris has begun its death throes.
24 November 2015, 05:54 PM ET
SpaceX founder Elon Musk congratulated Jeff Bezos and Blue Origin for landing a rocket from space Monday (Nov. 23) — but also stressed that the flight test did not exactly make history.
24 November 2015, 01:00 PM ET
Blue Origin, the private space company founded by Amazon CEO Jeff Bezos, successfully launched and landed a reusable suborbital rocket. See the video and images here.
24 November 2015, 10:24 AM ET
International Space Station commander Scott Kelly and flight engineer Kjell Lindgren sample the turkey and yams that are on the Thanksgiving Day menu.
24 November 2015, 10:17 AM ET
A fan-suggested 3-foot-tall model of NASA's historic Saturn V moon rocket has landed on LEGO's launch pad and is now awaiting an official "go/no-go" call as to whether it will lift off as a commercial toy set.
24 November 2015, 09:52 AM ET
Blue Origin, founded by billionaire Jeff Bezos, wants to launch people into space on its suborbital New Shepard spacecraft. Would you buy a ticket if you could?
24 November 2015, 08:48 AM ET
The New Shepard is truly a reusable space vehicle after flying to 329,839 feet and landing within a few feet of the target, through 119 mph crosswinds. The launch and landing occurred on Nov. 23rd, 2015 in West Texas.
24 November 2015, 08:00 AM ET
Astronauts aboard the International Space Station are testing beverage cups that let them literally wake up and smell the coffee.
24 November 2015, 07:00 AM ET
Acid fog may once have eaten away rocks on Mars, researchers say.
24 November 2015, 07:00 AM ET
Computer simulations suggest that filaments of invisible dark matter form long "hairs" when they go through planets such as Earth.
23 November 2015, 04:47 PM ET
The California-based private spaceflight company has secured its first astronaut-taxi order under its Commercial Crew Transportation Capability (CCtCap) contract with NASA, agency officials announced Friday (Nov. 20).
23 November 2015, 04:37 PM ET
"The Martian," which stars Matt Damon as a NASA astronaut stranded and presumed dead on the Red Planet, is up for Raw Science's 2015 Kip Thorne Gravity Award for the best depiction of a scientific principle in film.
23 November 2015, 03:30 PM ET
Mars may one day have rings like Saturn's, if the Red Planet manages to completely crush its innermost moon, Phobos.
23 November 2015, 03:27 PM ET
A successful crewed Mars campaign must recognize, and take pains to ameliorate, the psychological and cultural challenges that Red Planet pioneers will face — for example, their lengthy isolation from friends and family.
23 November 2015, 12:41 PM ET
What really happened at the start of the Big Bang?
23 November 2015, 10:07 AM ET
The western most star in the Orion constellation 'belt' – known as Mintaka (‘the belt’ in Arabic) also called Delta Orionis by astronomers – is a triple star system + 2 other stars.
23 November 2015, 09:48 AM ET
See tantalizing spaceship photos from the secretive commercial space company Blue Origins.
23 November 2015, 07:32 AM ET
A string of benzene molecules that's 20,000 times smaller than a strand of human hair is the strongest material ever made.
23 November 2015, 07:15 AM ET
Mercury can experience meteor showers as Comet Encke periodically peppers the planet's tenuous atmosphere with dust, new research suggests.
23 November 2015, 07:00 AM ET
Even a veteran Starfleet officer would have a hard time turning down a pint of Vulcan Ale, a new Star Trek-inspired IPA perfect for a crisp autumn night of stargazing.
20 November 2015, 04:10 PM ET
Congress' passage of a bill that allows American companies to own and sell any materials they extract from the moon, asteroids or other celestial bodies should help spur the development of off-Earth mining, representatives of the nascent industry say.
20 November 2015, 04:00 PM ET
This week, between 11 p.m. and midnight, the constellation immortalizing one of the greatest heroes of Greek mythology — Perseus — will pass directly overhead.
20 November 2015, 03:14 PM ET
MinutePhysics teamed up with the Web comic xkcd to explain how to go to space, using just the most common 1,000 words in the English language. And it is wonderful.
20 November 2015, 02:49 PM ET
Billionaire entrepreneur Elon Musk has launched rockets, spaceships and electric cars, and after his stint on CBS's "The Big Bang Theory" last night, he can add TV sitcom to his epic list of achievements.
20 November 2015, 12:18 PM ET
The crew of the International Space Station and flight controllers worldwide held a moment of silence for the victims of the Nov. 13 Paris terrorist attacks, and astronaut Scott Kelly shared some remarks in a new video.
20 November 2015, 11:30 AM ET
The service is looking for new data from commercial providers to better map satellite movements and help detect threats to U.S. military satellites.
20 November 2015, 10:17 AM ET
The International Space Station crew participated in a moment of silence and commander Scott Kelly offered his thoughts and prayers for the victims of the heinous terrorist attack on Nov. 13, 2015.
20 November 2015, 10:12 AM ET
Throughout its history of flight, the International Space Station has played host to many musical instruments and performances. In the latest addition, flight engineer Kjell Lindgren plays the bagpipes in tribute to a former colleague.
20 November 2015, 07:30 AM ET
A sudden spurt of liquid water on Mars could potentially create deep lakes today, new research suggests.