For two days in the December the solar wind suddenly stop on Mars and its atmosphere on the sun-facing side swelled "by nearly four times its usual size — from its usual 497 miles (800 km) to over ...

In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...

The "rapid unscheduled disassembly" was likely caused by a propellant leak, Elon Musk said, and was captured on video by ...

There has been a great deal of hype on social media about a “great planetary alignment” of planets occurring on Jan. 25, when ...

This is the first time the sound of a meteorite hitting Earth has been recorded, the University of Alberta said.

Venus and Saturn will be in conjunction this weekend, appearing side by side in the night sky during January's post-sunset ...

NASA was formed in 1958 "to provide for research into problems of flight within and outside the Earth's atmosphere, and for ...

SpaceX CEO Elon Musk made light of Starship's fiery end. "Success is uncertain, but entertainment is guaranteed!" he said on ...

Mars has northern and southern hemispheres like Earth, but their defining characteristics are markedly different, a ...

The study suggests that the Moon likely formed largely from Earth's mantle material — with minimal involvement from Theia.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and ...