A new adaptive optics system reveals stunning, ultra-sharp views of the Sun’s corona—offering an unprecedented look at solar ...

Mars Odyssey orbiter has captured a breathtaking new view of the massive volcano Arsia Mons rising through morning ice clouds ...

Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

Among the planets that would get less attention are Venus, Mars and Jupiter. But the planet facing the biggest drop in ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet.

Earth, dubbed Kepler-725c, has been discovered orbiting within the habitable zone of its host star, offering new ...

Coral reefs are creeping away from the tropics in response to warming oceans, but the pace is too slow to beat the heat and ...

The National Science Foundation has submitted a budget request that, if approved by Congress, would cut the budget for the ...

Satellites, our eyes in the skies about 22,000 miles up, play a crucial role in predicting and tracking potentially ...

NASA scientists are in a state of anxious limbo after the Trump administration proposed a budget that would eliminate the ...

New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will continue to warp the environment.

For reasons still unknown, Earth's energy imbalance is rising much faster than models can account for. Now, scientists are ...