The comet should remain viewable through telescopes until September as it approaches the Sun, then emerge again in December on its outbound leg.

Astronaut Nichole Ayers recently witnessed a phenomenon known as a sprite from the International Space Station.

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

Objects from space are crashing into Earth’s atmosphere all the time. They just don’t always happen with the perfect timing ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

An $88 million satellite backed by billionaire Jeff Bezos is lost in space. MethaneSAT, designed to sniff out sources of ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...