If the astronomer's hypothesis is right, it could mean that the interstellar object is linked to alien technology.

Physicists are eyeing charged gravitinos—ultra-heavy, stable particles from supergravity theory—as possible Dark Matter ...

In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a ...

The most energetic cosmic neutrino, or "ghost particle," ever recorded may be the remnants of a nearby black hole explosion.

Astronomers detected in unprecedented detail a collision between two black holes. Their observations confirm predictions made ...

JWST's detection of phosphine on a brown dwarf, also known as a "failed star," could have repercussions for the claimed detection of the molecule on Venus.

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

The warning comes as European leaders gather in the Danish capital Copenhagen to discuss a response to numerous recent ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

Commentary on A.J. Burgasser et al., "Observation of undepleted phosphine in the atmosphere of a low-temperature brown dwarf.

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

The detection of a cosmic signal of disconcerting brevity has perplexed astrophysicists. Its atypical form opens the door to interpretations that go beyond conventional frameworks. This ...