A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...
New research suggests that life could have the time and energy to arise on Earth-like worlds in the rapidly shrinking ...
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.
The trailblazing Harvard scientist, who documented the dominance of hydrogen and helium in stars, is still inspiring ...
Scientists already know that a planet must be in the “Goldilocks zone”—not too hot and not too cold—to have liquid water, a ...