Artificial intelligence has just turned one of astronomy’s most familiar workhorses into a discovery engine all over again.

Now has come the time for the best of the best, the cream of the crop – the very top “What Is This Thing?” posts of all time.

Astronomers identified a strange object in the Milky Way that sends out powerful bursts of radio waves and X-rays with steady ...

The number of talented and perceptive people found on the internet is staggering. Take the sprawling ‘What Is This Thing?’ online community, for example. It is filled to the brim with experts and ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

A Vermont lawmaker is setting his sights on the skies with a new bill poised to create a UFO panel within the state. Rep. Troy Headrick, I-Burlington, has introduced legislation looking to set up the ...

Today is the 2015 edition of Ask a Curator day. According to coordinator Mar Dixon, 1,072 museums in 51 countries are participating. While those whose time zones have now gone into night have dropped ...

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 ...

In addition to the greatest hits of culture and history, museums house tons of hidden gems that often go unnoticed. Inspired by a recent Twitter challenge from the Yorkshire Museum — which requested ...