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'Warhammer 40K: Space Marine 2' charges bravely onto PC and consoles today (video)
By Jeff Spry published
The highly anticipated "Warhammer 40K: Space Marine 2" came out today (Sept. 9). Get hyped for the new game by checking out this brutal new launch trailer.
Life on alien planets probably wouldn't experience day and night – here's how that may change evolution
By Maureen Cohen published
Organisms on Earth living deep underground or at the bottom of the sea may give us an idea what alien life without a circadian rhythm could be like.
How AI is helping us search the universe for alien technosignatures
By Conor Feehly published
"It's now a part of mainstream astrophysics."
A particularly active 'aurora season' could be just weeks away
By Jamie Carter published
September could be a prime time to see vibrant auroras, thanks to a quirk of Earth's tilt that leads to more intense geomagnetic activity around the equinox.
On This Day in Space! Sept. 9, 1982: Conestoga 1, the 1st private rocket, launches from Texas
By Hanneke Weitering last updated
On Sept. 9, 1982, the first private rocket launched from a Texas cattle ranch.
What time does SpaceX's Polaris Dawn private spacewalk mission launch?
By Tariq Malik last updated
The Polaris Dawn mission is currently scheduled to launch on Tuesday, Sept. 10. Liftoff is scheduled for 3:38 a.m. EDT (0738 GMT) from Florida's Cape Canaveral.
SpaceX launching private Polaris Dawn astronaut mission Sept. 10: How to watch online
By Samantha Mathewson last updated
SpaceX is targeting Sept. 10 for the launch of its Polaris Dawn mission, which will feature the first-ever private spacewalk. Here's how you can watch the historic action live.
SpaceX Polaris Dawn private spacewalk mission: Live updates
By Tariq Malik last updated
Find out the latest about SpaceX's private Polaris Dawn spacewalk mission for billionaire Jared Isaacman.
The biggest galaxies live in our universe's supercluster 'cities'
By Monisha Ravisetti published
Machine learning algorithms analyzed millions of galaxies to reveal where the biggest ones are.
SpaceX to launch private Polaris Dawn spacewalk mission overnight on farthest human spaceflight since Apollo
By Josh Dinner last updated
SpaceX's private Polaris Dawn mission is poised to launch a crew of private astronauts farther from Earth than any human has flown since Apollo 17.
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