For millennia, we humans have looked up at the night sky and wondered if, out there, there are other worlds like our own, and if, on some of those worlds, there are other beings that wonder as we do.

The 17th-century astronomer Johannes Kepler was the first to muse about the structure of snowflakes. Why are they so symmetrical? How does one side know how long the opposite side has grown? Kepler ...

Sara Seager at the Massachusetts Institute of Technology reckons the Drake equation is ripe for a revamp. Her version narrows a few of the original terms to account for our new best bets of finding ...

Astronomers have discovered a surprising planet, a rocky world with 17 times the mass of Earth. There have been “Super-Earths” discovered before, but this one is in a league of its own. The scientists ...

IN these 160 pages, the author has endeavoured with success to bring before his readers, in as simple a way as is consistent with the subject, the elements of spherical astronomy. With the exception ...