This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...

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

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from the first time people have reported seeing inexplicable lights in the sky.

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

For decades, engineers and planetary scientists have explored howorbital mirrors could be used to actively shape a planet’s ...

I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was ...