Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Astronomers have captured a jaw-dropping picture of star that exploded twice. It is the first time researchers have obtained ...

Astronomers had long been suspecting that some stars do meet their end of life with a dual detonation and new images prove ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

Trundling along the ecliptic plane in Virgo, our satellite hangs near the bright star Spica in the evening sky.

The Breguet Classique Tourbillon Sidéral 7255 pays homage to the date Abraham-Louis Breguet obtained a patent for his ...