New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Scientists found that NASA's DART spacecraft ejected a massive barrage of boulders when it bashed into asteroid Dimorphos in ...

Lead researcher Dr. Isabel Santos-Santos said, “We know of about 60 companion galaxies around the Milky Way, but we think ...

In 2022, NASA rammed a spacecraft into an asteroid to see if it could alter its orbital period around its parent asteroid. The mission, dubbed the Double Asteroid Redirection Test (DART), aimed to ...

Caltech’s upcoming Astronomy on Tap event on July 14, 2025 will discuss dark matter and supernovae. By Why do scientists ...

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its colossal gravity shreds them to pieces. The resulting string of matter ...

Working at NASA may seem like a distant dream, but with early planning and the right academic steps, students can build a ...

Peer support can increase students’ engagement in a course, but one study found that peer instruction didn’t result in better ...