A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater ...

A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater volcanoes that were previously missed.

Each evening, enjoy a sweeping view of four planets at once. Also look for Mars occulted by the Moon and meteors!

David Bressan is a geologist who covers curiosities about Earth. For geologists ... the U.S., Denmark and Tasmania compiled a new geological map using a combination of rock samples recovered ...

She was speaking here at the American Geophysical Union (AGU) Fall Meeting - the largest annual gathering of Earth and space scientists ... a sea-ice thickness map for the Arctic.

As the moon moves around the earth different parts of it are lit, which is why it appears to change shape. Space contains so many stars; we see those too at night when we look into the sky.