NASA announced its 2025 astronaut class of 10 finalists, after more than 8,000 people applied to the two-year training program. NBC News’ Marissa Parra reports on the new class, which is more than ...

CAPE CANAVERAL, Fla. — NASA introduced its newest astronauts Monday, 10 scientists, engineers and test pilots chosen from more than 8,000 applicants to help explore the moon and possibly Mars.

NASA’s Artemis program, the linchpin of America’s efforts to return astronauts to the moon, aims to conduct regular missions to the lunar surface before the space agency eventually ventures to Mars.

CAPE CANAVERAL, Fla. — A cluster of space weather satellites blasted off Wednesday morning to cast fresh eyes on solar storms that can produce stunning auroras but also scramble communications and ...

Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.

As of Thursday, the comet known as 3I-Atlas was 238 million miles (384 million kilometers) from Earth and growing ever nearer, according to NASA.

Trump is expected to meet with the Qatari prime minister today after Israel's military strikes aimed at Hamas leadership in Doha ...

The potential “biosignature” isn’t direct evidence of life itself, but rather a leftover sign that textural features on the rock may have biological origins.

This type of transformation is a hallmark of climate change, as rising temperatures and melting ice reshape landscapes in dramatic ways.

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

Top Trump aides vow to target “radical left” groups after the killing of Charlie Kirk, but prosecutors show no such link. Experts weigh the consequences of an expected interest rate cut from the ...

President Trump and Defense Secretary Hegseth addressed U.S. military leaders in a rare joint meeting to lay out their new policy plans and guidelines. NBC News' Courtney Kube breaks down what changes ...