Valentine's Day: Exchanging Saliva May Help You Fall in Love

Valentine's Day: Exchanging Saliva May Help You Fall in Love

The sweet (but kinda gross) science of kissing.

This Week in Science: Mars Molecules, a Cholesterol-Cutting Compound, And More!

This Week in Science: Mars Molecules, a Cholesterol-Cutting Compound, And More!

Our weekly science news roundup.

Valentine's Day: The Weirdest Love Rituals in The Animal Kingdom

Valentine's Day: The Weirdest Love Rituals in The Animal Kingdom

From fish geometry to lying spiders.

Humans Age Faster at 2 Sharp Peaks, Study Finds

Humans Age Faster at 2 Sharp Peaks, Study Finds

You're in for a bumpy ride.

10,000-Year-Old Symbols And Art Found in Egyptian Rock Formation

10,000-Year-Old Symbols And Art Found in Egyptian Rock Formation

"Exceptional historical and artistic value."

Jupiter Is Not The Size And Shape We've Long Thought It Was

Jupiter Is Not The Size And Shape We've Long Thought It Was

Have you been working out, Jupiter?

One in Three Dementia Cases Is Linked to Disease Outside The Brain

One in Three Dementia Cases Is Linked to Disease Outside The Brain

We need to see the bigger picture.

Scientists Caught Sperm Ignoring a Major Physical Law

Scientists Caught Sperm Ignoring a Major Physical Law

Some rules were made to be broken.

Scientists Grew Mini Human Spinal Cords, Then Made Them Repair After Injury

Scientists Grew Mini Human Spinal Cords, Then Made Them Repair After Injury

One day, this could change lives.

WATCH: Crew-12 Is Set For Launch to ISS After NASA Medical Evacuation

WATCH: Crew-12 Is Set For Launch to ISS After NASA Medical Evacuation

The space station has been running with a skeleton crew.

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