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 ...

Since 2018, astronomers have detected a series of ultra-bright blue explosions known as LFBOTs, some reaching luminosities up to 100 times greater than typical supernovae. One recent event, nicknamed ...

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

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 ...

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.

NASA has released new Hubble telescope images of the Crab Nebula taken 25 years after the iconic observatory first gazed at the colorful cosmic crustacean.