Sarah Lewin

SpaceX's giant new rocket, the Falcon Heavy, is set for its risky first test launch today (Feb. 6) from the historic Pad 39A at Kennedy Space Center in Florida.

The supermoon lunar eclipse on Jan. 31 is shaping up to be a spectacular spectacle as well as a boon for moon researchers, according to NASA moon scientist Noah Petro.

Two satellites, one carrying a NASA science instrument, are safely in orbit despite an anomaly with their Ariane 5 rocket during launch, Arianespace officials say.

SpaceX will have to wait a bit longer to test its first Falcon Heavy rocket, as NASA and Air Force personnel stay home due to an ongoing U.S. government shutdown.

A new NASA mission, the first to hitch a ride on a commercial communications satellite, will examine Earth's upper atmosphere to see how the boundary between Earth and space changes over time.

NASA astronauts successfully sequenced the DNA of microbes found aboard the International Space Station, marking the first time unknown organisms were sequenced and identified entirely in space.

Skywatchers got a glimpse of a spectacular full moon this New Year's Day — the largest the moon will appear in 2018.

Scientists spotted seven Earth-size alien planets orbiting one dim red star this year, and a lot of other strange exoplanets.

Space.com brings you the spaceflight, space science, science fiction and kids' space books you should know about from 2017.

There will be a market for humanity's expansion beyond Earth orbit, industry experts said — but none of them can predict what form that market will take.