See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.

SYDNEY, AU / ACCESS Newswire / March 16, 2026 / When an asteroid slams into Earth, where does the debris land? Fragments of every size, shape, and density scatter across vast distances – and ...

From lazy ripples to towering breakers, the mechanics of ocean waves should vary widely from one planet to another, according ...