A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.

The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

“Over millions of years, material from this ring gradually fell to Earth, creating the spike in meteorite impacts observed in ...

Earth may have had rings. At least that's what a new study published this month claims. Here's what we know so far.

In a surprising twist on our planet’s ancient history, scientists are now suggesting that Earth might once have had a ring ...

ISTOCK / GETTY IMAGES PLUS The researchers' idea that Earth once had rings comes from reconstructions of Earth's plate tectonics from the Ordovician period—which ran between 485.4 million years and ...

A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's climate ...

A new study from Monash University scientists suggests that Earth may have had a ring system that formed around 466 million ...

One question that often comes up: If you’ve had sex during your period, can you get pregnant? The menstrual cycle is the monthly process by which the body prepares for the possibility of pregnancy.

Ever feel a little less coordinated and more clumsy in the lead-up to your period? Maybe you’re tripping or dropping things more often, or considering wrapping yourself in bubble wrap given how often ...

Period tracking apps have been around for years, evolving from simple calendars to sophisticated tools packed with insights and predictions. But the landscape of women's health tech is changing ...