Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiraling toward its star in a cosmic death dance that could end in three possible ways.

Using the world's most advanced radio telescopes, astronomers have discovered a spinning dead star so rare, strange and ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms (including "razor blade throat") and when to take a test.