Satellite News

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.

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

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.

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.

Although officially known as the celestial archer, the zodiacal constellation of Sagittarius is far better recognized as a teapot. Here’s how to see it this season.

A new video from an astronaut’s vantage point in space captures a bright green burst over Earth as a meteor exploded in the night sky.

To commemorate the 25th anniversary of NASA’s Chandra X-ray Observatory, scientists have rereleased new “sonified” images of nearby objects, including the supernova remnant Cassiopeia A.