27 November 2015, 06:09 PM ET
Combining the power of several telescopes, scientists discovered a magnificent image of the black hole in Hercules A.
27 November 2015, 03:16 AM ET
Here are the best telescopes for the money. Our top picks include recommendations for city dwellers, hobbyists and gift-givers, as well as budget picks. Our editors have selected a few of the best options in each of four categories.
27 November 2015, 01:58 AM ET
Here are the best inexpensive telescopes (sub-$200). These high-quality scopes are light on features but big on value. Each will make a great gift and a fine first telescope.
27 November 2015, 01:11 AM ET
Here are the best beginner telescopes for the money; a computerized ‘GoTo’ scope driven by your smartphone or tablet, as well as a manually operated scope that comes fully assembled.
27 November 2015, 12:34 AM ET
Here are the best portable telescopes for the money. These grab-and-go scopes are ideal for travelers, city dwellers escaping light pollution, and anyone with limited storage space.
26 November 2015, 11:40 PM ET
Here are the best hobbyist telescopes for the money, including Go-To scopes. From fully automatic to totally hand-driven, these fine instruments will reward you each night out.
26 November 2015, 07:30 AM ET
Mars' watery past suggests that long ago the planet had a much thicker, carbon-rich atmosphere. But new evidence suggests the atmosphere wasn't quite as thick as some models suggest.
26 November 2015, 07:00 AM ET
Like most Americans, NASA astronauts Scott Kelly and Kjell Lindgren have Thanksgiving (Nov. 26) off, and they'll spend the day aboard the International Space Station (ISS) watching football and enjoying a turkey-centric feast.
25 November 2015, 10:17 PM ET
Some of the most advanced tools for studying the universe lie embedded beneath thousands of feet of bedrock.
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, 11:13 AM ET
And 'how much longer until a new discovery shouts it out?' asks the Science @ NASA video series. In July 2014, NASA announced the discovery of Kepler-452b, a planet slightly larger than Earth that resides in the habitable zone of its solar system.
25 November 2015, 11:09 AM ET
This computer simulation shows what two merging black holes would look like — gravitational waves rippling away from the impact.
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, 05:04 PM ET
The full moon happens once a month. Find out when.
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, 11:04 AM ET
The Schiaparelli basin on Mars, named for an Italian astronomer, is surrounded by many impact craters and several of them intersect the northwester rim of the feature.
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, 01:19 PM ET
Coheed and Cambria’s music often plays upon space themes. Claudio Sanchez, Travis Stever, Josh Eppard and Zach Cooper’s private tour of NASA Johnson Space Center by astronaut Mike Foreman discovered Robonaut 2, ISS and Space Shuttle simulators, and more.
23 November 2015, 12:41 PM ET
What really happened at the start of the Big Bang?