Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

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 ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global ...

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 FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

Many planets featured in Star Trek TNG share traits that scientists now look for when identifying exoplanets: rocky terrain, ...

Using direct imaging, astronomers have found a brown dwarf that could help test technology for taking snapshots of Earthlike ...

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 ...

To test this idea, the new study looks at an exoplanet known as VHS 1256b. It has a mass of around 20 Jupiters and is one of ...