The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

NASA has confirmed the detection of a colossal interstellar comet measuring up to 20 kilometers across as it speeds through ...

The film 'War of the Worlds' never reveals where the aliens came from. This makes it seem like they came from an unknown ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

In March 2026, SETI Institute researchers contributed to a wide range of conversations about our solar system and the search ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before they reach us.