Air and Space

The show will reach its peak on Monday night into the early morning hours of Tuesday.

NASA astronauts Christina Koch and Jessica Meir will make "HERstory," as NASA is calling it, with the first all-female spacewalk. All four men aboard the International Space Station will remain inside, as Koch and Meir go out to replace a broken battery charger.

Gilbert V. Levin, principal investigator on NASA Viking missions to Mars in the 1970s, says he’s convinced life was discovered on the red planet nearly four decades ago.

According to NASA’s JPL, the giant space rock known as 2019 TA7 will skim past Earth at a distance of roughly 930,000 miles, making its closest approach to Earth in nearly 115 years.

Alexei Leonov, the legendary Soviet cosmonaut who became the first human to walk in space 54 years ago — and who nearly didn't make it back into his space capsule — has died in Moscow at 85.

NASA is showing off its new design of spacesuits.

It was a unique launch for NASA on Thursday evening, as the space agency sent a special satellite designed to study the Earth's upper atmosphere into orbit.