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

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

The first trailer for Not Alone, Illumination's next film starring Timothée Chalamet & Selena Gomez, has been released.

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

As Elon Musk basked in the public spectacle of SpaceX’s blockbuster IPO, another – altogether more restrained – rocket ...

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

Institute have identified a physical mechanism that could finally explain the galaxy's radio silence, suggesting that ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

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

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

An interstellar comet known as 3I/ATLAS, which swept past the Sun in 2024, could be a 12‑billion‑year‑old relic from deep ...