Avi Loeb, the Harvard theoretical physicist who has drawn attention for suggesting comet 3I/ATLAS may be alien-made, is sharing a new thought: The interstellar object could be nuclear-powered, based ...

According to new information on SkySafari 6 Pro, a program used to predict the placement of stars and planets, Thursday, Aug. 21, is the last chance for people to see the planetary parade, which ...

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is ...

A Harvard scientist has suggested a 'hostile' object coming at us on Earth is an advanced 'mothership' after a warning was ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...

Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, ...

In the past decade, astronomers have witnessed three interstellar objects (ISOs) passing through the solar system. These ...

A mysterious object is hurtling toward Earth at a staggering 135,000 mph — and scientists are baffled. Named 3I/ATLAS, it's ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

Water found on Comet 12P/Pons-Brooks is "virtually indistinguishable" from water found on Earth. A "devil" comet's water is ...

The discussion underscored how citizen scientists, by contributing thousands of data points from around the world, are ...

Congress may scrap the USPS’s plans for a mostly electric fleet.