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The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. Here are some of the most baffling.

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.

From "MooLoos" to painting mountains, these silly scientific suggestions could actually help with climate change.

Though measuring animal intelligence is tricky, some animals show remarkable cognitive abilities that may rival our own.

Conspiracy theories that have taken hold range from a faked moon landing to Barack Obama's birthplace to chemtrails.

Reference Your brain and behaviors tell you you're in love in a variety of ways. Here's 14 signs you've been struck by Cupid.

From worms with squid-like tentacles to fish with teeth on their tongues, here are some of the most alien-looking creatures in the deep ocean.

Google Earth has captured images of rotting and rusting hulls that are wasting away in shallow waters the world over.

These bacteria have evolved the ability to resist treatment with antibiotics, leaving doctors scrambling to help patients who are infected.