Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

Astronomers using the Hubble Space Telescope have discovered a "ultra-massive white dwarf that formed when a white dwarf merged with another star," according to the Goddard Space Flight Center. Credit ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Astronomers observed a white dwarf and subdwarf 4,000 light-years away, spiralling toward collision, testing Einstein's ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

In 1999, Belgian physicist Chris Van Den Broeck implemented a minor alteration to Alcubierre’s concept by shrinking the ...

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

NASA’s Chandra X-ray Observatory wanted to wave goodbye to autumn by releasing images of celestial spectacles.

As a triple star system, Polaris provides critical data for studying stellar pulsations and gravitational interactions, ...

Some white dwarfs in rapid binary orbits are far hotter and larger than theory predicts. Researchers found that powerful tidal forces between them generate enough heat to inflate their sizes and ...