According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here ...

Dozens of startups working on data centers, mining and pharmaceuticals are hanging on Elon Musk's long-stalled megarocket.

Space scientists have revealed details of a “surprise” explosion on the Sun. NASA’s Parker Solar Probe has discovered ...

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined kerosene was favored for its easy handling and non-toxicity, hydrazine for its ...

Images of the space around the sun show the comet approaching the star intact—but only a shower of debris came the other side.

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

2026 is a big year for SpaceX's Starship, the biggest and most ambitious rocket ever built. The third version of the still-in-development launch vehicle will debut soon (maybe), which will be the ...

Before a solar storm races across space and impacts technology on Earth, it starts with an explosive process on the Sun known as magnetic reconnection.