Space.com reporter Calla Cofield travels to Hawaii to see six crew members on a mock Mars mission come back to Earth.
After twelve months living in a habitat on the rocky slopes of Mauna Loa in Hawaii, having limited contact with the outside world, six crew members for the HI-SEAS program will return to civilization today.
See the best photos on Space.com this week, including artist's illustrations of the newfound nearby exoplanet Proxima b, "Star Trek" actor George Takei on a zero-g flight and SpaceX putting its first-ever landed rocket on display.
Tonight (Aug. 27), look toward the western horizon just after sunset to see Venus and Jupiter get up close and personal, plus a parade of planets. No telescope required!
Astronomers found a possibly Earth-like planet around the sun's nearest stellar neighbor and astronaut Jeff Williams broke the American record for most total days spent in space. Here are the most amazing things that happened in the universe this week.
The two brightest planets in the night sky, Venus and Jupiter, will dance together on Aug. 27, 2016, in their closest encounter until 2065. Here's how to see them.
I cannot believe I'm writing yet another column concerning the infamous Mars Hoax, but indeed, more than a dozen years after it made its first appearance, it sadly has reared its ugly head in cyberspace once again.
You can check out the nearby star Proxima Centauri — which hosts a newly discovered, potentially Earth-like planet — during a free webcast by the Slooh Community Observatory tonight (Aug. 26). The show begins at 8 p.m. EDT (0000 GMT on Aug. 27).
This week saw the release of a major update for the popular app SkySafari 5 for Android now with three levels — Basic, Plus and Pro — offering something for every level of astronomy enthusiast.
SpaceX's Dragon cargo spacecraft has safely splashed down in the Pacific Ocean off of Baja California, Mexico. The vessel returned to Earth with more than 3,000 lbs. (1,360 kilograms) of cargo and science experiments, including 12 mice.
Researchers monitored a crew of six who have been isolated on Mauna Loa in Hawaii since August 2015. They used cameras, body movement trackers, electronic surveys, and more to collect data on the HI-SEAS team.
SpaceX's new chariot for moving recovered rocket stages after they are returned to land is uniquely suited for the job, having already been used to carry reusable space vehicles for close to 30 years. NASA's former Orbiter Transporter System is back on th
NASA's next Mars rover will fly on the same version of the launch vehicle that launched its predecessor, NASA announced Aug. 25.
Through the centuries, Venus and Jupiter have transformed in the public consciousness, thanks to science and science fiction.
Could the fabled Star of Bethlehem have been a close conjunction between Venus and Jupiter? A similar conjunction will take place Saturday (Aug. 27).
At 8:51 a.m. EDT (1251 GMT) on Saturday (Aug. 27), Juno will zoom within 2,500 miles (4,000 kilometers) of Jupiter's cloud tops — closer than the probe is scheduled to come during its entire mission, NASA officials said.
Astronomers have discovered a galaxy as big as the Milky Way that consists almost entirely of dark matter, a mysterious and invisible substance that scientists have been trying to figure out for decades.
A new study suggests that the temperature of a planet doesn't always stabilize over time, so hot-blooded worlds may have a hard time holding onto liquid water — even if they reside in the temperate region around their stars known as the "habitable zone."
A Dragon returns: SpaceX's Dragon cargo spacecraft has been set free from the International Space Station, and it's on its way to Earth with 3,000 lbs. of experiments and cargo (including 12 mice) bound for splashdown.
You can check out the nearby star Proxima Centauri — which hosts a newly discovered, potentially Earth-like planet — during a free webcast by the Slooh Community Observatory tonight (Aug. 26) at 8 p.m. EDT.