Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

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

The spacecraft that now skims through the Sun’s blistering atmosphere is not just surviving, it is turning that hostile ...

NASA’s Parker Solar Probe has slipped closer to the Sun than any spacecraft in history, and its latest flyby has now ...