These next two weeks bring us a potentially thrilling partial eclipse of the sun and amazing sights of Venus in its once-every-eight-years steepest departure from the evening sky.

NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday to close out a dramatic marathon mission that began with a bungled ...

President Donald Trump says files related to the 1963 assassination of President John F. Kennedy will be released Tuesday.

Most of the time, the Earth and Sun’s magnetic fields are misaligned, leaving our planet’s field less open to the aurora-causing effects of the solar wind. However, towards the equinox, the two fields ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

Firefly Aerospace’s Blue Ghost lander marks the first fully successful commercial moon mission, achieving all objectives and ...

A Dragon capsule undocked from the International Space Center early Tuesday, sending NASA astronauts Suni Williams and Butch ...

Greenhouse gases are doing more than warming our planet — they're reshaping space itself. As emissions cool and shrink the ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

A unique feature has just occurred a couple of days before the spring equinox. We have the details on the extra daylight ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to reduce these tensions.

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.