In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

In a groundbreaking revelation, recent astronomical observations have identified potential Dyson spheres, massive structures ...

The James Webb Space Telescope is turning distant exoplanets from anonymous dots of light into worlds with weather, chemistry ...

An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

Researchers at Cornell University have developed the first-ever reflectance spectra — essentially a color-coded key — of the ...

Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...

An exoplanet completely or densely covered by clouds could aid astronomers in their search for signs of life beyond Earth. Cloudy skies may spoil a picnic or block a view of the stars through a ...

Scientists have detected the first direct evidence of a coronal mass ejection from a star beyond our Sun, specifically the M dwarf StKM1-1262. This ma ...