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 ...

The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...

Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of ...

The first double-burst supernova ever observed, SNR 0509, is a historic discovery that reveals how white dwarfs explode in the cosmos.

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 ...

Introducing a complicated trio of one-offs from Vacheron Constantin ✓ An Armillary Tourbillon plus double-sided cosmic Grand ...