Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

The question “are we alone” remains unanswered, but humanity may get a hint of it in the coming years as technologies are ...

With big names like Steven Spielberg and Christopher Nolan at the helm, the greatest hard sci-fi films will blow audiences' ...

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

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

If the government confirms nonhuman intelligence, psychological research offers clues about the range of ways humans might ...

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have the conditions for life as we know it. While exoplanets can be directly ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which lie within the star’s habitable zone. In the foreground is TRAPPIST-1 b, ...