The otherwise healthy man was unaware that he had developed the condition.

Before 2011 the world barely knew peacock spiders existed, now we can’t get enough.

The huge rocket took flight, and its booster came down successfully.

And we’ve just developed a new way to date them.

Where’s it been hiding?

Sit down, universe, we have some bad news.

Poorly timed antiperspirant application? It’s the pits.

The comet has been observed to undergo non-gravitational acceleration. A new paper proposes a plausible explanation.