And what we wanted for our theory was a collision that was quite slow. Now, slow by cosmic standards is still about 5,000 miles per hour, but we needed something that was so slow that it would ...

An unusual bright blast of light detected by multiple telescopes in December 2021 was the result of a rare cosmic explosion called a kilonova. The explosion created heavy elements such as gold and ...

The moon did indeed coalesce out of tiny bits of pulverized planet blasted into space by a catastrophic collision 4.5 billion years ago, two new studies suggest.The new research potentially plugs ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

A theory that the moon formed from debris left over from a violent collision between the Earth and a Mars-size object has received a double boost in the form of two new studies. See what they say ...

The shock from that collision creates the perfect environment for particle acceleration. According to long-standing theory, the maximum energy a cosmic ray can reach depends on how well magnetic ...

Rare cosmic collision acted like ... Sign up for CNN’s Wonder Theory ... An unusual bright blast of light detected by multiple telescopes in December 2021 was the result of a rare cosmic ...

An unusual bright blast of light detected by multiple telescopes in December 2021 was the result of a rare cosmic explosion called a kilonova. The explosion created heavy elements such as gold and ...