Is dark matter made of mysterious ‘ghost particles?’ Galaxy clusters could hold the answer

“WIMPs are still the leading candidate for dark matter, but billions of dollars of experiments have been done, only getting stronger and stronger upper limits, so alternative scenarios have to be considered.”

NASA X-ray spacecraft reveals the shockingly violent history of the Milky Way’s supermassive black hole

“Nothing in my professional training as an X-ray astronomer had prepared me for something like this.”

Vera Rubin Observatory spots the fastest-spinning large asteroid ever found

The Vera Rubin Observatory has found 19 new “superfast rotator” asteroids, including the fastest-spinning big space rock ever found.

Space telescopes capture breathtaking galactic hug | Space photo of the day for Jan. 8, 2026

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

‘Super star’ being shredded by black hole releases as much energy as 400 billion suns

“This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a star.”

Astronomers discover the earliest, hottest galaxy cluster in the universe, and it breaks all the rules

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form.

Hubble Telescope spies ‘wake’ of supergiant Beutelgeuse’s hidden companion star

Using new observations from the Hubble Space Telescope and observatories on Earth, scientists have confirmed the existence of Betelgeuse’s elusive companion star, named Siwarha.