The government space agency has vocally promoted diversity and inclusion for decades, even during the first Trump administration.

Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December 2032.

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that shed light on how life arose.

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth “as soon as possible.” NASA said it would do that “as soon as practical.”

The president’s Inaugural Address linked landing on the Red Planet with Manifest Destiny, but left many of the specifics unclear.

The probe sent a signal to Earth indicating that it had survived the closest solar encounter ever attempted by a spacecraft.

As a researcher at several universities and an adviser at NASA, he used data analysis to show how the planet’s different systems are interrelated.

Balloon launches from around the world are part of a new kind of global alarm system: One that can detect if another country tries to dim the sun.

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It is unclear where the program to go back to the lunar surface will head after President-elect Donald J. Trump returns to the White House in January.

© Chandan Khanna/Agence France-Presse — Getty Images

Mr. Isaacman’s company Shift4 Payments made him a billionaire, and he has financed two trips to orbit on SpaceX vehicles, including a daring spacewalk in September.

© Polaris Program/SpaceX, via Agence France-Presse — Getty Images