NASA's Kepler Space Telescope has discovered 2,784 distant alien worlds. While some orbit within habitable zones and look ...

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

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new "hot ...

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

An extraterrestrial misunderstanding led to a grave-robbing bonanza at the detriment of valuable Peruvian heritage.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered an extrasolar planet orbiting TOI-4616—a nearby M-dwarf star. The newfound alien world, ...

Scientists have just unlocked a new way to discover hidden worlds beyond our solar system, and the results are incredible. Using a powerful AI system called RAVEN, astronomers analyzed massive amounts ...

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’ ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. The main reason for Pluto's demotion is that it's not able to "clear its orbit of debris." Other ...

Astronomers discovered a molten alien planet orbiting a star in the Milky Way. This planet, larger than Earth, is surrounded by a searing sulfur-rich atmosphere. It orbits a star in the constellation ...