For the first time, NASA’s MAVEN mission has directly observed a process called sputtering, an elusive atmospheric escape ...

Titan, the largest moon of Saturn, is truly a remarkable world. It has a thick atmosphere as well as rivers, lakes, and seas ...

Using a newly developed adaptive optics system called Cona, scientists peered through Earth's turbulent air to reveal the sun ...

Based on 20 years of observations by NASA’s Hubble Space Telescope, new research sheds light on one of the solar system’s ...

For the first time, scientists have caught a key driver of the ongoing erosion of the atmosphere of Mars in action.

Spacecraft burn tons of fuel and leave behind debris—but a clever technique called aerobraking could fix both problems.

Researchers have found that the thick and hazy atmosphere enveloping Saturn's largest moon, Titan, behaves in a very peculiar ...

A spacecraft reentered Earth's atmosphere Saturday, triggering a sonic boom that was heard in parts of Los Angeles County.

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...

Sporadic E layers lit up during a solar storm, moving from poles to equator—surprising researchers and revealing potential ...