Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

The mission is still in the early stages of its conception, with contracts given recently to firms.

“Mr. Chair, the truth is out there.” That’s what Rep. Nate Davidson, D-Cumberland and Dauphin said during a Tuesday Pa. House ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

President Donald Trump has tried many ways to tighten his grip on U.S. elections, from signing executive orders to pushing ...

Some experts have called the Miami Circle one of the most important prehistoric sites in North America.

Six months after conservationists used drone technology in a mouse-eradication project on a remote Western Australian island, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Prime Minister Mark Carney says he expects a constructive exchange as Canada, the U.S. and Mexico discuss CUSMA ahead of ...