The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

NASA is getting ready to launch twin satellites for a study on the sun's energy, and a University of Iowa professor is ...

A study led by University of Iowa Associate Professor David Miles will study how the sun impacts the Earth’s magnetic field ...

Cameras on the ground need strong solar filters to photograph things like an eclipse, yet NASA has made a camera that was ...

The explosion created a 250,000-mile-long, boiling trench of hot plasma and debris in the star’s outer atmosphere.

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...