The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many complex processes working at once, according to new research. The cool ...

The Earth's next ice age is expected to begin in about 11,000 years -- unless human-caused global warming disrupts natural cycles. That's according to a new study published Thursday in Science ...

WASHINGTON, D.C. - The Earth's next ice age is expected to begin in about 11,000 years -- unless human-caused global warming disrupts natural cycles. That's according to a new study published Thursday ...