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The largest Mars meteorite on Earth has sold for $5.3 million
By Monisha Ravisetti published
Sotheby's in New York City auctioned off a giant chunk of Mars found in Africa. It sold for $4.3 million.

JWST finds unusual black hole in the center of the Infinity Galaxy: 'How can we make sense of this?'
By Robert Lea published
Everything about the Infinity Galaxy, recently discovered by the JWST, is strange. One odd feature could be the 1st evidence of a "direct collapse" black hole.

Astronomers witness the birth of a planetary system for the 1st time (video)
By Robert Lea published
Astronomers have witnessed the birth of an entirely new star system for the first time. The budding planets are forming around the infant star HOPS-315.

Our Milky Way galaxy may be surrounded by 100 undetected 'orphan' galaxies
By Robert Lea published
New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy companions.

If aliens existed on Mars 3.7 billion years ago, they would have needed umbrellas
By Keith Cooper published
"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now."

Colossal eruption carves 250,000-mile-long 'canyon of fire' into the sun (video)
By Daisy Dobrijevic published
A massive filament eruption carved a 250,000-mile-long "canyon of fire" into the sun — and sent a CME sailing into space.

Why is the moon's far side so weird? China's lunar sample-return mission may have figured it out
By Keith Cooper published
The impact that carved out the moon's huge South Pole-Aitken basin may explain the puzzling differences between the lunar near and far sides.

The largest Mars rock on Earth is up for auction in NYC — it could be yours for $4 million (or more)
By Monisha Ravisetti published
The largest Mars rock on Earth will soon be auctioned off in NYC, and could sell for at least $2 million.
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