During his time in microgravity, Pettit, an inveterate tinkerer, said he likes to spend his free time either doing ...

Liftoff is scheduled for 5:15 a.m. ET on Tuesday (April 29). A European forest-monitoring satellite will launch from South ...

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

NFL draft wrapped up Saturday in Green Bay, Wisconsin. The three-day event saw a record 30 defensive tackles selected -- the most for a seven-round draft (i.e., since 1994) -- and one of the most ...

Scientists have discovered a new color... but you can only see it through a laser. How did scientists make the discovery and what could it mean for how we see color?

Laura Green has lots of ideas. She talked with Cog editor Kate Neale Cooper about why the race is so iconic, the best places ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a new comet ...

Blue Origin's New Shepard capsule soared to space. It carried an all-women crew, including Katy Perry and others. The sub-orbital flight reached over 100 kilometers. The crew experienced ...

Blue Origin New Shepard mission NS-31, its 11th human flight, lifted off from Launch Site One in West Texas on Monday, April 14, with an all-women crew. In a historic moment in space tourism, Jeff ...

Watch the launch via USA Today's livestream. The all-female crew of Blue Origin's flight Monday morning, April 14, from Texas is certified "ready to fly to space." The group of celebrities ...

The countdown has begun. Blue Origin's first all-women flight crew is shooting for the sky in West Texas on Monday morning if they get the all-clear for their rare space ride — blasting off on a ...

"I never thought we'd be talking to you from a space launch," Jenner said in the livestream. "This is a very unique experience, and we're just so honored to be here to support them and watch this ...