TRAPPIST-1 looks small and calm from Earth. Up close, it is anything but. The cool red star about 40 light-years away erupts ...

A seven-planet system some 40 light-years from Earth could be swimming in water, new research shows. In February 2017 scientists announced the discovery of several exoplanets orbiting the red dwarf ...

The TRAPPIST-1 solar system, depicted in this artist's impression, might harbor Earth clones with oceans and rich atmospheres. (Photo digital Illustration by NASA/NASA via Getty Images) A young ...

Some 25 million radio signals were detected, but all were eliminated by a clever computer code as terrestrial radio frequency interference. When you purchase through links on our site, we may earn an ...