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 ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Could extraterrestrials find life on Earth? The question of whether or not life exists on other worlds suggests pondering if extraterrestrial beings might be able to find life on our home world. More ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The James Webb Space Telescope, launched into space in 2021, has directly imaged and discovered a young gas giant exoplanet, which is approximately the size of Saturn, nearly 110 light years away from ...

Apparent signs of alien life on the exoplanet K2-18b may just be statistical noise, according to a new analysis of data from the James Webb Space Telescope. On 17 April, Nikku Madhusudhan at the ...