The scientific community has long grappled with the question of whether these stars can support planets capable of sustaining ...

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our understanding of exoplanet atmospheres," according to the Hubble team. Credit: ...

LTT 1445 Ac is roughly the size of Earth and about 22 light-years away in the constellation Eridanus. The planet orbits the ...

A star’s surface temperature can be used to determine the star’s luminosity and chemical composition. At best, a star’s exact ...

Most of the exoplanets we've discovered orbit red dwarf stars. This isn't because red dwarfs are somehow special, simply that ...

The sun is midway through its life of fusion. It's about 5 billion years old, and though its life is far from over, it will ...

Astronomers developed a technique that uses a star's spectrum to chart variations in its temperature to the nearest tenth of ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...

"Our observations indicate the presence of powerful iron winds, probably fuelled by a hot spot in the atmosphere." ...

Watch how JW Telescope detects temperature on Trappist 1 b. Credit: Space.com | animation courtesy: ESO/L. Calçada / Space ...

Aside from the Sun, only a few nearby, bloated stars appear large enough to capture any features on their surface, however crude. New images released Sept. 11, however, capture one of the most ...

Many of these exoplanets are gas giants like Saturn or Jupiter while others are Earth-like planets with a rocky surface and no habitability. As scientists develop more advanced telescopes and ...