In 1974, the project’s Science Working Group recommended that the telescope be required to resolve details at least one-tenth ...

Astronomers are uncovering vast, wheel-shaped structures in the cosmos that challenge long-held ideas about how galaxies grow ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s essential elements through the galaxy may be incomplete. Starlight pushing on gra ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

Using the James Webb Space Telescope (JWST), an international team of astronomers has observed an elliptical galaxy known as ...

Private companies like SpaceX are crowding Earth's atmosphere with ever-increasing numbers of satellite 'megaconstellations'. For astronomers, the toll of these bright, ubiquitous objects is already ...

In 2023, a group of astronomers revealed that Generation 1 Starlink satellites are accidentally leaking a large amount of radio pollution, known as unintended electromagnetic radiation (UEMR), into ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

A mysterious cosmic scar reveals two massive stars that passed near our solar system millions of years ago, energizing nearby gas and leaving traces visible to astronomers.

"Astronomers have wanted to spot a coronal mass ejection on another star for decades. We’ve now managed to do this for the first time." When you purchase through links on our site, we may earn an ...

A strange object hurdling through our solar system from interstellar space may, according to one of academia’s most controversial astronomers, have been sent by aliens to see how smart we are. “It is ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos.