As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some ...

When you learned about the center of the Earth in school, you were probably shown a diagram that looked like a perfect layer cake—but in fact, that diagram is wildly inaccurate! Join Stefan Chin for a ...

The project has recently been submitted to the European Space Agency for consideration as a future mission. The current mission design proposes a launch in the 2030s, returning at least 400 minutes of ...

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small, weak magnetic disturbances rapidly multiplied, triggering stronger and ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...

The climate warmed up almost as quickly 56 million years ago as it is doing now. When a huge amount of CO2 entered the ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.