Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Astronomers around the world are closely tracking an interstellar object known as 3I/ATLAS as it speeds through our solar ...

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

For two decades, astronomers have chased a cosmic ghost: ultra‑massive “monster stars” that theory said must have existed but ...

Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west ...

New research shows Karnak Temple was built on a rare island of high ground formed as Nile river channels shifted thousands of ...

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...

As we ring in another new year amid winter’s chill, columnist can’t help but wonder — why does the year start now, and not ...