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 ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

During future space missions, humans may finally encounter extraterrestrial life forms, settling the age-old question of whether we are alone in the cosmos. But what if alien biology is so different ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

This is read by an automated voice. Please report any issues or inconsistencies here. Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar ...

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 SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

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.