Polaris Dawn live updates: SpaceX launches 4 private astronauts for historic spacewalk mission Tuesday morning

SpaceX's Falcon 9 rocket lifted off at 5:23 a.m. ET carrying four Polaris Dawn mission private astronauts to low-Earth orbit from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Tuesday morning.

Boeing's troubled Starliner capsule will return to Earth as early as next week, without crew: NASA

NASA and Boeing said an uncrewed Starliner capsule will undock from the International Space Station and return to Earth no earlier than Friday, Sept. 6, “pending weather and operational readiness."

2 astronauts stuck in space
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The astronauts are not expected to come home until next year.

Fight over Biden's decision to keep US Space Command location
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Republican lawmakers are accusing President Joe Biden of acting out of political spite by keeping the U.S. Space Command Headquarters in Colorado instead of moving it to Alabama.

Here are the astronomical events to watch out for in April

From a hybrid eclipse to meteors zipping past Earth, there are several celestial shows to look out for in April.

Eyes to the sky: Recently discovered green comet to zip by Earth
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If you want to see something historic, keep your eyes to the sky! A recently discovered green comet will be zipping by Earth in the next couple of days. It's the first time we've seen it in 50,000 years.

Artemis I capsule buzzes moon; last big step before lunar orbit
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As NASA?s Orion capsule swung out from behind the moon Monday, onboard cameras sent back a picture of Earth ? a blue dot surrounded by blackness.

New images of deep space provide stunning glimpse of galactic wonder
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Jonathan Gardner, NASA senior project scientist, talks about the power and reach of the James Webb Telescope and what its latest images tell us about the nature of the universe.

Moon to give viewers special show this weekend with Lunar Eclipse
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This Sunday, the moon will be giving viewers a special show: a total Lunar Eclipse! NASA scientist Michelle Thaller talks about why this weekend's moon is so special, and the ongoing effort to return humans to the moon.

‘Cosmic mystery’: Object found in space emitted radio bursts every 18 minutes

“We've discovered something completely new, and I'm thrilled that the universe can still surprise us like this,” said Dr. Natasha Hurley-Walker, the team's lead researcher.

'Lunar Cruiser': Toyota developing vehicle for the moon

Toyota says it's working with Japan’s space agency on a vehicle to explore the lunar surface, with ambitions to help people live on the moon by 2040 and eventually live on Mars