A reader (and astronomy expert) gets to grips with this one, pointing out that Earth’s future fate is still uncertain – and that elements found in nuclear waste aren't great building blocks for biolog ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

And people in power better listen because this new movie is expressing frustrations that can’t be suppressed forever. That’s ...

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

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