We could see robots working on NASA's Habitable Worlds Observatory out in space.

The latest hunt for alien signals in the TRAPPIST-1 planetary system has test-driven a new strategy that will allow astronomers to perform a more efficient, targeted search for technological ...

The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a proving ground for how serious that search can be. TRAPPIST-1, a dim red ...

TRAPPIST-1 is a red dwarf star located about 40 light years away that hosts seven Earth-sized rocky planets, with at least three orbiting in the habitable zone where liquid water could potentially ...

It is not at all a given that aliens are far away. Alien probes might be surveilling us closely right now from within our own solar system, deciding whether to open a channel of communication with ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

A press conference in Washington discusses supposed alien activity — an increasingly common topic in the US capital – Copyright AFP ANDREW CABALLERO-REYNOLDS Is ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

In this excerpt from his new book, John Gertz argues it’s time to ditch SETI’s old dogmas and rethink how we prepare for first contact. Reading time 6 minutes Editor’s note: The following is an ...