Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet ...

The punishing radiation appears to be causing the planet to shed its atmosphere at a rate of at least 1 trillion grams per second, according to a new study involving NASA 's Chandra X-ray Observatory.

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius ...

Using the European Space Agency’s Characterizing Exoplanets Satellite (CHEOPS) telescope, a team of astronomers ...

"This is an ultra-hot Jupiter, and orbits much closer to its star than any other hot Jupiter ever discovered." ...

"We found that hundreds of exoplanets are larger than they appear, and that shifts our understanding of exoplanets on a large ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume, spanning a radius ...

NASA has uncovered a new ‘Super Earth’ planet just 154-lightyears away that has been flashing a mysterious signal. The planet ...

The discovered gaseous planet, named TOI-4465 b, is located around 400 light-years from Earth and is around the same size as ...