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

In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and ...

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

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

Artemis 2 astronauts witness a rare solar eclipse from beyond the moon during their historic lunar flyby. NASA's Artemis 2 ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

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

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

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

With college students less likely to read through a full textbook than they once were, video games can help keep them engaged ...

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