WASHINGTON, May 29 (Reuters) - Astronomers have spotted a star acting unlike any other ever observed as it unleashes a curious combination of radio waves and X-rays, pegging it as an exotic member of ...

When planetary rings are mentioned, the image of Saturn immediately comes to mind. However, this celestial feature is not ...

Astronomers have spied a monster radio jet in the distant universe that’s twice the width of the Milky Way galaxy. The ancient object formed when the universe was less than 10% of its current age of ...

A Chinese-led satellite mission has detected a mysterious, transient celestial object in a discovery scientists say could represent a previously unknown category of cosmic phenomena. Known as ...

Astronomers have detected a mysterious cosmic 'heartbeat' repeating every 22 minutes, unlike any known celestial object.

The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should be visible across the U.S. But unless you're willing to wake up before ...

Astronomy enthusiasts have plenty of reasons to be excited this April, as the month is packed with stunning celestial events. Among the highlights is a rare alignment featuring a trio of heavenly ...

An object discovered by astrophysicists at the University of Toronto nearly 500 light years away from the sun may challenge traditional understandings about how planets and stars form. The object is ...