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How many moons are in the solar system?
By Harry Baker last updated
The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?

James Webb telescope pinpoints brightest FRB ever detected
By Brandon Specktor published
Astronomers using the James Webb telescope alongside Canada's CHIME telescope have pinpointed the origin of one of the brightest blasts of radio energy ever detected in Earth's skies.

Solar tornado rages on the sun as a giant plasma plume erupts
By Patrick Pester published
There's a giant solar tornado raging on the sun's surface, and a researcher captured it — plus a massive plasma eruption — in one spectacular image.

Uranus has a new, hidden moon, James Webb Space Telescope reveals
By Ben Turner published
Uranus' 29th moon was hidden inside the planet's dark inner rings, new observations from the James Webb Space Telescope reveal.

Scientists think they detected the first known triple black hole system in the universe — and then watched it die
By Harry Baker published
Chinese astronomers have spotted a hidden supermassive black hole in the background of a peculiar gravitational wave event from a black hole merger, hinting that all three singularities were locked in a never-before-seen triple system.

A rare 'black moon' rises this weekend: What is it, and what can you see?
By Jamie Carter published
Saturday's new moon is a seasonal "black moon" — a rare phenomenon that occurs once every 33 months. Here's what that means and why it's a great night for stargazing.

Oops! Earendel, most distant star ever discovered, may not actually be a star, James Webb Telescope reveals
By Shreejaya Karantha published
Astronomers used the James Webb Space Telescope to investigate whether the most distant star identified in the universe is, in fact, a star cluster.

Giant 'X' appears over Chile as 2 celestial beams of light cross: Space photo of the week
By Jamie Carter published
The bright band of the Milky Way and the faint glow of "zodiacal light" meet above the mountains of Chile's Atacama Desert in this stunning night sky photo.

Giant, cosmic 'Eye of Sauron' snapped staring directly at us in stunning 15-year time-lapse photo
By Harry Baker published
Researchers have combined 15 years' worth of radio data to peer through the cone of a high-energy jet and unravel the magnetic mysteries of a "blazar" billions of light-years from Earth. The new findings also shed light on the origin of elusive "ghost particles."
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