More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

The search for habitable planets has taken a leap forward with new space telescopes probing exoplanet atmospheres for life.

A NASA spacecraft far from Earth has made an unexpected discovery, after turning its instruments towards a dark patch of sky ...

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

Scientists already know that a planet must be in the “Goldilocks zone”—not too hot and not too cold—to have liquid water, a ...

Today NASA said that the Dawn spacecraft has fallen out of contact with Earth, presumably because it’s run out of the thruster… Read More The once-mysterious bright spots shining on the surface of the ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...