Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can explode not once, but twice before fading forever.

New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still important.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Astronomers race to learn more about third interstellar visitor Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Over the next few days, astronomers will pull together evidence to determine whether the object is a comet.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between by ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the scientific community.

Astronomers detect first known ‘death wish’ planet Exoplanet HIP 67522 b has a 'clingy' relationship with its host star. It won't end well. Andrew Paul Jul 2, 2025 2:00 PM EDT ...