This year is the 25th anniversary of humans inhabiting the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space.

The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said the vibrant displays could be visible across much of the northern U.S.

Planetary science is in limbo during the government shutdown — things like analyzing asteroids, studying the magnetosphere of Jupiter, or better understanding Mars so that humans might one day visit.

President Donald Trump announced Tuesday he has decided to nominate Jared Isaacman to serve as his NASA administrator, months after withdrawing the tech billionaire's nomination because of concerns about his political leanings.

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas surrounding it.

Scientists are observing the skies as the comet 3i/ATLAS makes a close flyby of Earth.

Oct. 21, 2025 is a very special night in the sky. A comet known as Lemmon will be visible if skies are clear, and there's a meteor shower, too.

An amateur satellite tracker stumbled across the signal, which is coming from Starshield satellites in a "hidden" part of the radio spectrum.

Starship, the biggest and most powerful rocket ever built, thundered into the evening sky from the southern tip of Texas.

Two comets and a meteor shower may be visible to stargazers this month.