Skywatchers across the globe are preparing for one last astronomical wonder, the second and final solar eclipse of the year.

Sean Duffy's NASA plan for a 100-kW lunar nuclear reactor by 2030 aims to win the space race but faces budget cuts and ...

A 6-minute, 23-second total solar eclipse is expected to be visible over parts of Africa, Europe and the Middle East on Aug.

During a solar eclipse, astronomers who study heliophysics are able to study the sun's corona—its outer atmosphere—in ways ...

The upcoming solar eclipse will have the longest period of totality this century. Here's when it happens and where it will be ...

The Aug. 2, 2027, solar eclipse isn't actually the next total solar eclipse, though. The next one, on Aug. 12, 2026, will be ...