Only 12 light years from Earth, Tau Ceti is the closest single star similar to the Sun and an all-time favorite in sci-fi stories. Habitable worlds orbiting Tau Ceti were destinations of fictional ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Tucked between a boiled-away desert and a giant snowball, an alien world called TRAPPIST-1e may ...

Astronomers have confirmed a Saturn-size world drifting alone in deep space roughly 10,000 light-years from Earth, a discovery that turns a once-theoretical idea into a measured reality. The planet ...

Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

In this artistic rendering, different kinds of suns are shown as they interact with various Earth-like surfaces in distant solar systems. The combinations create an array of climates. Thus, in the ...

When a distant planet appears as a point of light in a telescope, it's hard to imagine what things are like at the surface. Does rain fall? Is the atmosphere thick, or dissipating into space? How ...

Najita — a researcher at the National Science Foundation’s National Optical-Infrared Research Laboratory in Tucson, Ariz. — introduced her research by contrasting it with the classic view of planet ...

An international research team has discovered a new planet so young that it has yet to emerge from the womb of matter where it is forming. This is the youngest protoplanet discovered to date. It's ...