Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

Could Earth Survive Near An Active Black Hole? Earth is too far from Sagittarius A * —the supermassive black hole at the ...

This year, the Buck Moon follows Earth's aphelion, the point in its orbit farthest from the Sun, by just a few days, ...

According to a provocative new study, that might just be our cosmic address. This idea is meant to solve one of the biggest ...

A black hole weighing around 1,022 grams would create a tunnel about 0.1 microns in radius – small enough to be invisible to ...

Plus: President Donald Trump spoke with both Russian President Vladimir Putin and Ukrainian President Volodymyr Zelenskyy ...

Here are 8 incredibly beautiful and mesmerizing deep space images captured by NASA’s Hubble Space Telescope, showcasing the ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

Astronomers working with the European Southern Observatory's (ESO) Very Large Telescope (VLT) have detected patterns showing ...

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

After David Bowie's passing, the original lyrics of "Starman" were leaked to the public. And there are some interesting secrets hidden within.