Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Scientists in China have performed an experiment first proposed by Albert Einstein almost a century ago when he sought to ...

Using the Einstein Probe (EP), astronomers have detected a new X-ray transient event, which turned out to be an X-ray flare ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists ...

New results from the MicroBooNE experiment rule out the existence of a sterile neutrino, reshaping how scientists think about ...

The order from the U.S. Court of Appeals for the Ninth Circuit is a win for Mr. Newsom, a Democrat, who has vigorously ...

“I am more and more convinced we are the best government in history,” the president says, speaking quietly and sombrely in ...