This Earth Day, we reflect on our home planet and look at Earth from space through history.
See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.
In an unusual perspective for an Earth-observing satellite, the Copernicus Sentinel-2 mission captured this image of the moon, Earth's only natural satellite. The Sentinel-2 mission acquired this ...
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NASA’s Voyager 1 reaches a staggering new distance from Earth
In the silent, freezing expanse of interstellar space, a small spacecraft launched in the era of disco and analog tape has just achieved a feat once thought to belong only to science fiction. NASA’s ...
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Carl Sagan on the shape of Earth
Carl Sagan explains how science proves Earth’s shape—from ancient observations to modern space imagery—showing why our planet is an oblate sphere and how evidence, not belief, reveals the truth about ...
A striking satellite image reveals Gee Lake on Baffin Island, a remnant of the ancient Laurentide Ice Sheet. This ice cap, ...
The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.
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