Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can explode not once, but twice before fading forever. Using the European Southern ...

For years, scientists have suspected that stars can meet their doom by a one-two punch of back-to-back explosions — but they've never seen visual evidence of this happening. That just changed.

In an exciting new study published in Nature Astronomy, astronomers have unveiled unexpected findings from the XRISM satellite mission. The research team, led by experts from Japan and the U.S., ...

Astronomers have studied 3,600 supernovas to discover diversity in exploding white dwarf stars, a vital tool in the ...

"Why are we here?" is humanity's most fundamental and persistent question. Tracing the origins of the elements is a direct attempt to answer this at its deepest level. We know many elements are ...

Supernova remnant Cassiopeia A, which sits within the Milky Way X-ray: NASA / CXC / SAO; Optical: NASA / ESA / STScI; IR: NASA / ESA / CSA / STScI / Milisavljevic et al., NASA / JPL / CalTech; Image ...

Almost a thousand years since its formation, the Crab Nebula sports complex shells of plasma, filled with tendrils, filaments, and knots. At its center sits a pulsar, a pulsating type of neutron star, ...