The European Southern Observatory warns that rapidly growing satellite constellations could disrupt Earth's most powerful ...

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

A first-of-its-kind mission launched Friday in the hopes of preventing NASA’s Swift Observatory from dropping out of ...

The FS Tau region has never looked as stunning as it does in a new image from the powerful space telescope.

NASA’s Swift space telescope is reaching the end of its two-decade run in orbit – unless a satellite launched on 3 July can ...

Katalyst Space's LINK spacecraft is designed to capture and boost NASA's Swift observatory back to a safe altitude.

Here’s how to see the year’s most-intense meteor shower, a blood-red lunar eclipse and Saturn’s refreshed rings this summer.

Tomorrow is July 4, the semiquincentennial or 250th anniversary of the signing of the Declaration of Independence. I know that is a cause for celebration for many of us in Hawaii, but not all. Some ...

Faced with observations of early black holes and galaxies that weren’t expected to exist, scientists have come up with a ...

While the shower is not known for producing many meteors, the meteors it does produce can be bright and travel slowly across the night sky.

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

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