Peter Kelley

An atmospheric haze around a distant planet—like the one which probably shrouded and cooled the young Earth—could show ...

Robotics is shaping up to be the next transformative technology of our time, says legal expert Ryan Calo, ...

Exoplanets are prime targets in the search for extraterrestrial life, but intense heat during early years may have ...

Exoplanets roughly the size of Earth may be more likely to support life if they have companion planets. ...

A fluctuating tilt in a planet’s orbit doesn’t rule out the possibility of life, new research shows. In ...