Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

Astronomers have recently observed a planet being torn apart by its “zombie” white dwarf star, a phenomenon that challenges ...

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

Gov. Josh Green is pledging to help “promptly” establish a procedure to permit construction of a controversial telescope atop Mauna Kea on a site previously developed for observatory use.

Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of the sun. These stars develop oxygen-neon-magnesium cores, which become ...

V Sagittae’s violent mass transfer hints at an imminent nova—and a future supernova visible from Earth. Binary star systems are fairly common in the universe, as are pairs where one star is a compact ...

It’s possible that these objects might be the primordial beginnings of the supermassive black holes found in the centers of ...

Vacheron Constantin marks its 270th anniversary with Les Cabinotiers “La Quête”, a series of unique astronomical and ...

Sunrise and sunset • Rises at 7:31 a.m. and sets at 5:59 p.m. on the 1st (daylight saving time) • Rises at 7:03 a.m. and sets ...

Scientists at Tel Aviv University have developed a new way to investigate dark matter by studying faint radio waves from the Universe’s earliest era, known as the cosmic dark ages. Their research ...