New research shows how the star's powerful outbursts could help scientists assess which worlds might support life.

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...

Using a powerful combination of space-based measurements and Subaru’s advanced imaging, astronomers have discovered two rare companions, one of which enables a key test for NASA’s Roman Space ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation ...

Scorching planets that should be bone-dry may actually create their own water deep inside, forging oceans through molten rock ...

Among the three initially reported TRAPPIST-1 planets, one of them—called ‘TRAPPIST-1d’ in the discovery publication 1 —was identified on the basis of only two transit signals, observed at a moderate ...

Tidally locked exoplanets, termed "eyeball planets," orbiting red dwarf stars within their habitable zones present unique conditions for potential habitability. These planets exhibit perpetually ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Planet parade with four planets visible to the naked eye on the evening sky, Mars on left, ...

The International Astronomical Union (IAU) defines a planet as a celestial body orbiting the Sun, possessing sufficient mass for a nearly spherical shape, and having cleared its orbital neighborhood ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Here in the Solar System, we can watch our star's eight planets orbit ...