Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...

PBS KIDS celebrates Earth Month by inviting families to be planet heroes. PBS KIDS celebrates Earth Month by inviting families to be planet heroes. Enjoy a new movie from “Activate Kid Power” from ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from outer space—specifically via a collision with a Mars-sized planet billions of ...

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon. When you purchase through links on our site, we may earn an affiliate ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why can’t we feel the Earth moving? – Dave H., ...