For the first time since its discovery in 1920, Pluto is entering the outer solar system—a journey that’s slowly thinning out ...

Pluto is on an icy march away from the sun. In 2114, it will turn back, but until then, its elliptical orbit will carry it to ...

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

Pluto atmosphere collapse is now supported by measured data for the first time. A peer-reviewed study in The Planetary ...

Astronomers caught helium escaping the habitable-zone world LHS 1140 b — a signal that strengthens the case for the planet's ...

A rocky planet about 49 light-years from Earth appears to have held onto an atmosphere, despite orbiting a red dwarf capable of stripping gases into space. The evidence comes from helium escaping ...

The potential for solving problems in climate, oceans, the biosphere, and the biology of disease is vast, writes Celine Herweijer. The question is what we build them for.

This discovery marks a major milestone in the search for life on worlds beyond our solar system. A faint stream of helium ...

In 2010, scientists waiting to use the William Herschel Telescope in the Canary Islands captured a brief 36 minutes of images ...

Scientists say exoplanet LHS 1140b shows promising signs that it could have an atmosphere, making it potentially suitable for ...

"An atmosphere is essential for a planet to support life as we know it. This is the first time anyone has found an atmosphere ...

Astronomers found helium in the atmosphere of LHS 1140 b, a rocky exoplanet 48 light-years from Earth, the first confirmed ...