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22 October 2014, 06:36 PM ET
The Intrepid Sea, Air and Space Museum’s Senior Advisor for Space Programs and the exhibit's Co-Curator shares stories of his trips to service the Space Telescope and describes the exhibit.
22 October 2014, 04:40 PM ET
Company executives and government officials at a commercial space conference expressed a mixture of optimism and impatience.
22 October 2014, 03:31 PM ET
Cosmonauts Max Suraev and Alexander Samokutyaev went outside the International Space Station today. They completed what was supposed to be a six-hour spacewalk in just three hours and 38 minutes.
22 October 2014, 03:20 PM ET
Expedition 41 Commander Max Suraev and Flight Engineer Alexander Samokutyaev of the Russian Federal Space Agency worked outside in the International Space Station on Oct. 22, 2014.
22 October 2014, 02:46 PM ET
From spy satellites and missile defense to robot space planes and orbital platforms, get the latest news and views on military space technology.
22 October 2014, 01:55 PM ET
Eruptions on the sun's surface are probably caused by giant, unstable magnetic plasma arches, a new study reports — a discovery that brings scientists one step closer to predicting solar outbursts that can wreak havoc on Earth.
22 October 2014, 01:01 PM ET
The best look yet at nearly 500 comets around a distant star reveals these alien snowballs come in very different flavors, just like comets around the sun. These "exocomets" could shed light on what the solar system was like in its tumultuous youth.
22 October 2014, 01:00 PM ET
Astronomers at the La Silla Observatory in Chile took a census of comets around the star Beta Pictoris (62 light-years away), discovering they belong to two families.
22 October 2014, 01:00 PM ET
Astronomers have detected the signatures of hundreds of comets disintegrating in a distant, chaotic solar system 63 light-years away.
22 October 2014, 12:43 PM ET
U.S. President Barack Obama has nominated Dava Newman to become the next deputy administrator of NASA.
22 October 2014, 11:24 AM ET
How much do the stars of the highly anticipated movie "Interstellar" really know about space? Entertainment Weekly attempted to find out in a newly released video that features three of the space film's stars answering a series of trivia questions.
22 October 2014, 09:18 AM ET
Russian cosmonauts from International Space Station's Expedition 41 crew will complete a six-hour spacewalk on Wednesday (Oct. 22).
22 October 2014, 07:00 AM ET
The unmanned mission will apparently send a spacecraft around the moon; on its way back toward Earth, the probe will release a capsule to perform a high-speed plunge through the planet's atmosphere.
21 October 2014, 10:01 PM ET
This space wallpaper of Abell 2744 is the first to come from Hubble's Frontier Fields observing programme.
21 October 2014, 05:05 PM ET
See photos and images of the Mars-bound comet C/2013 A1 Siding Spring, which will buzz the Red Planet on Oct. 19, 2014. Comet Siding Spring was discovered in January 2013. Its pass through the inner solar system will be closely watched by Mars probes.
21 October 2014, 04:12 PM ET
There's a certain irony to the observation that Tom Hanks today may be better known for flying to the moon than Alan Bean, who actually went there. The actor and director celebrates Bean and laments his anonymity in the pages of "The New Yorker."
21 October 2014, 03:40 PM ET
Astronauts and innovators, including SpaceX's billionaire founder Elon Musk, are descending upon MIT this week to celebrate the 100th anniversary of the university's aeronautics and astronautics department.
21 October 2014, 03:34 PM ET
The sun fired off an X-class solar flare — the most powerful type — that peaked at 1:01 a.m. EDT Sunday. NASA's Solar Dynamics Observatory spacecraft captured photos and video of the intense sun storm, which researchers classified as an X1.1 flare.
21 October 2014, 03:03 PM ET
A highly magnetized neutron Star named SGR J1550-5418 erupted with a series of powerful x-ray and gamma-ray flares on Jan 22, 2009. NASA's Swift satellite observed the outburst over the course of 6 days.
21 October 2014, 02:50 PM ET
NASA's Mars Reconnaissance Orbiter and Opportunity rover have beamed back amazing views of a comet that made an extremely close pass of the Red Planet on Sunday (Oct. 19).
21 October 2014, 02:32 PM ET
Some skywatchers captured incredible views of the Orionid meteor shower earlier this week, but even if you can't catch the peaking shower outside tonight (Oct. 21), you can still see it live online.
21 October 2014, 01:07 PM ET
NASA's Opportunity Rover and Mars Reconnaissance Orbiter had their cameras fixated on comet C/2013 A1 (Siding Spring) on October 19th, 2014.
21 October 2014, 12:00 PM ET
Find out what the partial solar eclipse of Oct. 23, 2014 might look like from around North America using these sky maps and images.
21 October 2014, 07:30 AM ET
A potentially amazing partial solar eclipse is due to darken skies above North America Thursday (Oct. 23), and you can build and easy tool to help you view it safely.
21 October 2014, 12:13 AM ET
This space wallpaper depicts the formation of a galaxy cluster in the early Universe.
20 October 2014, 03:54 PM ET
NASA engineers, researchers from Brigham Young University and origami expert Robert Lang are developing origami-inspired solar panel arrays that fold and unfold.
20 October 2014, 02:30 PM ET
Three spacecraft at Mars survived a close brush with a comet that buzzed by the Red Planet Sunday (Oct. 19), while scientists on Earth captured some amazing images of the comet's close pass.
20 October 2014, 02:23 PM ET
If you step outside before dawn during the next week or so, you might be able to see bright meteors streaking through the sky.
20 October 2014, 09:48 AM ET
Warning: Do not look directly at the Sun. On October 23rd, 2014, most of the North America will be treated to the eclipse. Viewing from the eastern U.S. will be especially beautiful, weather permitting, due to it occurring at the end of the day.
20 October 2014, 06:01 AM ET
Nearly all of North America will experience the solar eclipse. People who live east of a line running from roughly Quebec City to Montauk Point, New York, will miss out, since the sun will set before the dark disc of the moon begins to encroach upon it.
20 October 2014, 01:51 AM ET
Without proper regulation, the moon risks becoming an extra-planetary Wild West.
19 October 2014, 03:48 PM ET
Last week's lunar eclipse wasn't just a show for Earthlings, NASA's MESSENGER mission was also watching from Mercury, 66 million miles away.