10 November 2014, 01:01 AM ET
American astronaut Reid Wiseman, Russian cosmonaut Maxim Surayev, and European astronaut Alexander Gerst returned to Earth from aboard the International Space Station, touching down in Kazakhstan after 165 days orbiting the planet.
08 November 2014, 07:00 AM ET
A weakening sun will more easily push Mars-bound astronauts beyond standard NASA radiation safety limits, putting them at increased risk for cancer, a new study warns.
07 November 2014, 11:02 PM ET
The emotions of "Interstellar" ring true to those who've been in space, says AstroCritic and former ISS commander Leroy Chiao.
07 November 2014, 03:05 PM ET
In the film 'Interstellar,' astronauts use a variety of spacecraft to cross the universe and explore alien worlds. See how they work in this Space.com infographic.
07 November 2014, 12:00 PM ET
In 'Interstellar,' Nolan chronicles the search for another planet for humanity after life of Earth becomes unsustainable. See images from the film "Interstellar" in this Space.com gallery.
07 November 2014, 11:30 AM ET
The cast who play astronauts in Christopher Nolan's new science fiction film "Interstellar" learned how about life in microgravity from a real space traveler. Retired NASA astronaut Marsha Ivins offered tips to Matthew McConaughey and Anne Hathaway.
07 November 2014, 09:41 AM ET
The European Space Agency's Rosetta mission will attempt to land its Philae lander on November 12th, 2014.
07 November 2014, 08:14 AM ET
Rosetta has been studying Comet 67P/Churyumov-Gerasimenko for months, but the comet's southern side has always been cloaked in darkness. Now, light-scattering dust particles have allowed a fuzzy first glimpse of 67P's dark side.
07 November 2014, 12:35 AM ET
On November 12, the Rosetta spacecraft’s Philae lander is due to land on the surface of a comet. I met up with some of the Rosetta scientists at the Open University to ask them the top five questions I am always being asked about the Rosetta mission.
06 November 2014, 05:56 PM ET
The European Space Agency's Gaia mission, which launched in December 2013, should find about 21,000 alien planets over the course of its five-year mission and perhaps 70,000 distant worlds if it keeps operating for 10 years, the study found.
06 November 2014, 03:23 PM ET
NASA is getting ready to launch a daring test flight of a capsule that could eventually bring humans to deep-space destinations like Mars or an asteroid.
06 November 2014, 02:00 PM ET
Friday's tragic accident will delay Virgin Galactic's progress and may also result in more governmental oversight of the company and others that seek to launch paying customers to space, experts say. But space tourism itself should survive.
06 November 2014, 01:08 PM ET
China's Chang'e series of lunar probes are part of a series leading up to ultimately returning samples of moon rock to the Earth. See how China's lunar exploration program aims for the moon in this Space.com infographic.
06 November 2014, 10:00 AM ET
A NASA spacecraft designed to take humans farther into space than ever before has just been completed ahead of its first test flight next month, and you can learn more about the Orion space capsule during a webcast tomorrow.
06 November 2014, 07:00 AM ET
NASA astronauts Mike Fincke and Marsha Ivins discussed their off-Earth experiences with "Interstellar" actors Matthew McConaughey, Anne Hathaway and Jessica Chastain during a Google+ Hangout Wednesday.
05 November 2014, 11:20 PM ET
Space travel is a risky business. As we push for technological advances and further exploration, accidents unfortunately happen.
05 November 2014, 03:55 PM ET
Orbital Sciences Corp. is slated to be the second private American company to dock a spacecraft with the International Space Station.
05 November 2014, 03:16 PM ET
Karen Nyberg was seeing stars. A NASA astronaut, Nyberg wasn't in space or outside looking up at the Houston night sky. In fact, she was at that moment inside a convention center at the International Quilt Festival.
05 November 2014, 01:53 PM ET
The investigation into the explosion of a private rocket last week is eyeing the launch vehicle's first-stage engines, which were made in the Soviet Union at the height of the space race.
05 November 2014, 01:50 PM ET
China made its first round-trip mission to the moon with a robotic spacecraft in October and November of 2014. See photos from the flight, China's fourth moon mission, in this Space.com gallery.
05 November 2014, 01:00 PM ET
Several influential congresspeople are among those calling for a mission to Europa, which is regarded by many scientists as the best place to search for life beyond Earth.
05 November 2014, 07:00 AM ET
In the coming years, China plans to launch another moon lander and rover, as well as an ambitious lunar sample-return mission.
04 November 2014, 05:10 PM ET
Cameras aboard the International Space Station captured a serene view of Hurricane Vance, which is heading toward Mexico's west coast.
04 November 2014, 10:35 AM ET
The private spaceflight company Orbital Sciences has put together an investigation team to do a deep dive into what went wrong when the firm's Antares rocket exploded shortly after launch on Oct. 28.
04 November 2014, 02:04 AM ET
Investigators have formed a new working group to take a close look at the pilot interface systems on Virgin Galactic's SpaceShipTwo and released a detailed new timeline of the vehicle's tragic accident.
03 November 2014, 11:53 PM ET
Tragically, the experimental spaceplane SpaceShipTwo crashed in the Mojave desert during a test flight on Friday, killing one pilot and injuring another.
03 November 2014, 10:27 PM ET
The solar system provides all humanity needs to survive — why leave?
03 November 2014, 02:27 PM ET
The friends and co-workers of the co-pilot who died in Virgin Galactic's tragic SpaceShipTwo accident Friday (Oct. 31) have raised more than $55,000 for his family via crowdfunding.
03 November 2014, 02:04 PM ET
Virgin Galactic's first SpaceShipTwo spacecraft broke apart in mid-flight on Oct. 31, 2014, killing one pilot and injuring another. See the sequence of events (as known so far) related by the NTSB.
03 November 2014, 12:08 PM ET
Cameras aboard the International Space Station captured the sprawling, chalk-white body of Hurricane Vance, which is gaining strength in the Pacific Ocean, and heading toward Mexico's west coast.
03 November 2014, 07:00 AM ET
The Rosetta spacecraft has detected some stinky compounds in the cloud of chemicals surrounding Comet 67P/Churyumov-Gerasimenko.
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.