03 November 2014, 07:00 AM ET
The biggest sunspot to grace the face of the sun in more than two decades is rotating out of view, but it was responsible for kicking up some truly amazing solar activity this week.
03 November 2014, 06:00 AM ET
SpaceShipTwo's fatal accident doesn't spell doom for space tourism, though Virgin Galactic will likely have to answer key safety questions in the months and years ahead.
03 November 2014, 01:53 AM ET
On Oct. 31, 2014, the space tourism company Virgin Galactic suffered a serious accident during a SpaceShipTwo test flight, resulting in the loss of the spacecraft. One pilot died in the crash, while another suffered injuries. See our full coverage.
03 November 2014, 01:18 AM ET
See images released after the crash of Virgin Galactic's space plane SpaceShipTwo. The accident, which took place on Oct. 31, 2014, left one pilot dead and the other seriously injured.
03 November 2014, 01:15 AM ET
SpaceShipTwo's twin rudders can be rotated up to increase drag when the vehicle heads back down toward Earth. On Friday's flight, this maneuver should have been performed when the vehicle was traveling at Mach 1.4, but it actually occurred at Mach 1.0.
02 November 2014, 10:00 AM ET
From its first crewed flight in 2010, through its last successful flight last October, major milestones for SpaceShipTwo.
02 November 2014, 08:00 AM ET
People who purchase their "Interstellar" tickets through the online site Fandango from today (Oct. 31) through Dec. 1 have a chance to win a free suborbital spaceflight aboard XCOR Aerospace's Lynx Mark II rocket plane.
01 November 2014, 11:20 PM ET
Virgin Galactic's SpaceShipTwo broke apart in midair before crashing to the ground during a test flight Friday (Oct. 31), investigators have determined.
01 November 2014, 09:52 PM ET
National Transportation Safety Board investigators were at the crash site in Mojave, California on Nov. 1st, 2014.
01 November 2014, 09:08 PM ET
The two Scaled Composites test pilots aboard Virgin Galactic's SpaceShipTwo during its tragic crash on Oct. 31 have been named. SpaceShipTwo co-pilot Michael Ashbury died in the crash, while Scaled Director of Flight Operations Peter Seibold survived.
01 November 2014, 03:55 PM ET
01 November 2014, 12:12 PM ET
The U.S. National Transportation Safety Board has begun its investigation into the deadly crash of Virgin Galactic's SpaceShipTwo on Oct. 31. Here's the latest details on how the investigation will work.
01 November 2014, 08:27 AM ET
The tragic crash of Virgin Galactic's SpaceShipTwo space plane on Friday, Oct. 31, has the commercial spaceflight industry in mourning for the test pilot who died, and praying for the recovery of a second pilot who was injured. See reactions from experts.
01 November 2014, 07:24 AM ET
Learn more about Virgin Galactic's plan to make space tourism and personal space travel a reality with SpaceShipTwo.
01 November 2014, 06:54 AM ET
Virgin Galactic CEO George Whitesides said the company will figure out what went wrong and continue to work to get SpaceShipTwo up and running.
01 November 2014, 02:31 AM ET
China's latest moon mission, which some people are calling Chang'e 5 T1, returned to Earth at around 6 p.m. EDT Friday, ending an eight-day unmanned flight designed to test out technology for a future lunar sample-return project.
01 November 2014, 12:22 AM ET
Utah's sparse light pollution and desert landscape are a perfect setup for night-sky photography.
01 November 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in October 2014.
31 October 2014, 07:59 PM ET
We have moved from a space race between nations to becoming a race that relies on space for many of its everyday activities. Perhaps this is why the explosion on take-off of the unmanned Antares launch vehicle has received such wide publicity.
31 October 2014, 07:06 PM ET
Mars colonization moves forward, pushed by visionaries and pragmatists alike.
31 October 2014, 06:58 PM ET
Orbital Sciences Corp.'s Antares rocket exploded on Tuesday just after launching on an unmanned cargo mission to the International Space Station. Then, on Friday, Virgin Galactic's SpaceShipTwo crashed during a test flight, killing one pilot.
31 October 2014, 06:36 PM ET
The commercial SpaceShipTwo spacecraft built by Virgin Galactic crashed in Mojave, California Friday (Oct. 31) during a failed test flight that killed one pilot and injured another. See the latest news here.
31 October 2014, 06:02 PM ET
Solar system exploration cannot succeed with a fading NASA planetary science budget.
31 October 2014, 05:49 PM ET
31 October 2014, 03:06 PM ET
SpaceShipTwo, Virgin Galactic's passenger spacecraft, experienced an 'anomaly' during its fourth rocket-powered test flight on Friday, Oct. 31. See the latest details here.
31 October 2014, 01:20 PM ET
The private spaceflight company Orbital Sciences Corp. is starting to piece together the timeline of events leading up to the explosion of its Antares rocket just after launch on Tuesday evening (Oct. 28).
31 October 2014, 11:01 AM ET
This space wallpaper is an artist’s impression showing the dust and gas around the double star system GG Tauri-A.
31 October 2014, 07:00 AM ET
Outer space can be a spooky place. Halloween on Earth usually brings out the ghouls and werewolves in neighborhoods around the United States, but what are some of the most unsettling sights in space?
31 October 2014, 03:32 AM ET
After a century-long hiatus, astrostatistics is bringing astronomy and statistics back together to answer some of the most challenging problems in science.
30 October 2014, 05:47 PM ET
NASA is adding a cosmic twist to Halloween with an unexpected find by the Hubble Space Telescope: eerie 'ghost light' from the remains of a multi-galaxy massacre. See the photo here.
30 October 2014, 03:51 PM ET
This week is one of the rare opportunities when Mercury is relatively easy to spot. It will mean getting up before the sun, but once spotted, you will be able to follow Mercury until it is drowned out by daylight.