Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

A 3D map of planet WASP-18b reveals extreme heat zones and broken water vapor in its atmosphere for the first time.

Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...

Astronomers from The University of New Mexico, along with U.S. and international researchers, have confirmed the existence of a new giant exoplanet, made possible through a collaboration with citizen ...

However, since the majority of exoplanets that have been found orbit very close to their parent star, that isn't necessarily a disadvantage. This technique does have other disadvantages, though, like ...

Exoplanet scientists are eagerly awaiting the discovery of an atmosphere around a terrestrial exoplanet. Not a thin, tenuous, ...

"Our approach gives astronomers an idea of how many spots a star might have, where they are located, and how bright or dark they are." NASA scientists have devised a new way to use planets that cross, ...