Space weather can disrupt satellite navigation and communication systems by triggering rapid fluctuations in the ionosphere.

For 15 years, one nearby exoplanet refused to reveal its secrets, its spectrum stubbornly flat, its atmosphere unreadable.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

Current global climate models (GCMs) support with high confidence the view that rising greenhouse gases and other ...