To get so close, the Parker Solar Probe had to withstand the sun's extreme heat and radiation like no spacecraft before it.

Astronomers hope the Proba-3 mission will help them get a better view of the corona, the sun's outer atmosphere, which is even hotter than the sun's surface.

Early interactions with the Earth may have heated up the Moon and caused it to remelt, producing new lunar rocks and erasing old craters. 

Scientists are using the Mojave Desert to test robots for the next space age.

The Geminids are one of the best and most visible annual meteor showers, when at least 120 meteors can usually be seen per hour. But 2024 will be different, thanks to the year's final full moon.

The mission to take four astronauts on a trip around the moon and back, previously targeting a launch at the end of 2025, has been delayed until at least April, 2026.

Earlier this year, Isaacman became the first private citizen to conduct a spacewalk. But his longstanding ties with Elon Musk's company SpaceX raise possible conflicts of interest.

There are at least 19,000 pieces of space debris in Earth's orbit, not including active satellites, that the U.S is monitoring.

Regulators have slowed the pace of Starship launches over environmental concerns, but that may be about to change.

Scientists are reconsidering old information about Uranus. NPR's Scott Simon explains the problem with photos taken of the planet 38 years ago.

The next supermoon — which appears larger and brighter than a regular full moon due to its proximity to Earth — will not be visible for nearly a year.

A similar hearing last year brought extraordinary moments, including a retired intelligence officer alleging that the U.S. government has recovered nonhuman "biologics" from crash sites.

The North and South Taurids occur every year in September, October, and November. They may have originated from a comet that broke up about 10,000 years ago.

China declared a “complete success” after it launched a new three-person crew to its space station early Wednesday as the country seeks to expand its exploration of outer space.

Three NASA astronauts and a Russian cosmonaut splashed down off the Florida coast early Friday, capping a nearly eight-month science and research mission to the International Space Station.