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

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

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

Researchers say a biocontainment facility on the Moon could be humanity's last line of defense against potential future alien ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...

An image captured by the Hubble Space Telescope shows the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth. (NASA / European Space Agency via Associated ...

The forest fire season is ramping up in northern Ontario, prompting evacuations in Mattagami First Nation, and where the fire hazard is currently rated extreme across a large area running from Sudbury ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Warnings about invasive species have become increasingly urgent in ...

The White House is mocking the idea of the U.S. retaining secrets involving alien encounters by launching a space-themed website that touts the arrests of immigrants unauthorized to live in the U.S.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...