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Boeing's Starliner capsule returned to Earth early this morning (Sept. 7), wrapping up its first-ever crewed mission. But it came home without any astronauts on board.

NASA's MAVEN mission and the Hubble Space Telescope have teamed up to reveal new insights into how Mars' water is leaking into space.

James Webb Space Telescope finds clues about a pair of faraway, interacting galaxies that trace a distinct question mark in deep space.

The ESCAPADE Mars mission, previously scheduled to launch atop a Blue Origin New Glenn rocket on Oct. 13, will now lift off in spring 2025 at the earliest.

Boeing's Starliner capsule is all packed up and ready to depart the International Space Station today (Sept. 6) at 6:04 p.m. EDT (2204 GMT).

Aside from being the Swinging Sixties, here's why the decade was also the Sci-Fi Sixties.

An exclusive interview with Swedish director Mikael Håfström about his new space thriller, "Slingshot."

Thousands of skywatchers will gather for a view of the ringed sun from perhaps one of the most isolated and remote spots on the face of the Earth: the legendary and mystical Easter Island.

A review of the new Netflix documentary, "Apollo 13: Survival" now streaming.

Boeing Starliner's parachutes will be tested once more during an uncrewed test on Sept. 7. It was originally supposed to host astronauts, but NASA changed the plan mid-mission.

SpaceX launched a batch of spy satellites for the U.S. National Reconnaissance Office tonight (Sept. 5), the company's second orbital mission of the day.

September's Full Harvest Moon will be a supermoon in addition to experiencing a partial lunar eclipse. Here's everything you need to know for this month's full moon.

A new teaser and plot description has arrived for Hulu’'s "Alien: Earth" TV series.

NASA's testing a solar sail system in space, and the spacecraft that brought the tech there has snapped a photo.

After another major universe refresh, No Man's Sky continues its journey to become the ultimate time sink space game by adding alien fishing.

By demonstrating the ability for joint observations at the short radio wavelength of 0.87mm, the Event Horizon Telescope has improved its observational acuity by half.

NASA's Starliner astronauts will temporarily have an emergency spot available on a SpaceX Crew Dragon, but they can't wear spacesuits there. That will change in a few weeks.

A SpaceX rocket carrying the 7,001st Starlink internet satellite launched into orbit from Florida today (Sept. 5), then aced its landing at sea.

Meet Phaethon, a "rock comet" that blurs the definitions between asteroid and comet, and learn why it will be worth paying attention to this fascinating object in the coming years.

The reddish structures of our neighboring galaxy glow brightly in a new image from the Hubble Space Telescope.