We asked experts at NASA and the Massachusetts Institute of Technology what scientists know about the asteroid that could ...

Researchers are now examining surprising structural changes occurring within the Earth's core that may have slightly affected ...

Some of us remember the first Earth Day, Saturday, April 22, 1970. We pulled old bedsprings and tires out of local rivers and urged a ban on phosphates that fueled weed growth in streams and ...

Earth’s inner core is changing shape, scientists have found.

Ready for winter to wrap up? The good news is the first day of spring is right around the corner. Here's what we can expect ...

The Earth completes one rotation every 24 hours to give us day and night. When Britain faces the Sun it is daytime, but the other side of the world is in darkness. So in Australia it is the middle ...

Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.