Earth has a new companion for the next 60 years or so — an asteroid-like object sharing the planet’s orbit around the sun.

When the balance in reflectivity shifts, “the whole circulation of the climate will shift in order to transport energy from ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

Earth" less than 20 light-years from our own planet is offering scientists new hope in the hunt for other worlds that could ...

A new introduction to the great philosopher’s work foregrounds its revolutionary nature and far-reaching impact.

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...

We follow the bone upward as it tumbles against the unpolluted blue sky. Then, suddenly, we cut to outer space, millions of ...

Ethan Hawke talks reuniting with director Richard Linklater to give a performance unlike any he's done before, in a new movie ...

Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to ...