A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

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 ...

Deep-sea creatures so alien their discoverers struggled to believe them real ...

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

In July 2025, astronomers detected 3I/ATLAS, a rare interstellar comet, prompting SETI researchers to scan it for alien ...

Steven Spielberg's Disclosure Day is the latest movie to tackle the subject of first contact, but these masterpieces ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

A new breakthrough technology, co-developed by UCL scientists, that simultaneously records and manipulates neuron activity deep within the brain could transform our understanding of neural circuits ...

CAPE CANAVERAL, Fla. -- The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech.

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...