Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

The MoonSwatches are supposed to be balls-to-the-wall fun, so adding a tiny gold-coated adornment to one feels like trying to ...

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of ...

Pluto, once considered the ninth planet, lies over 6 billion kilometers from Earth, making it one of the most difficult ...

The event is part of the yearly fundraiser for The John Ritter Foundation, spearheaded by the comedy icon’s widow, Amy ...

"Makemake is one of the largest and brightest icy worlds beyond Neptune, and its surface is dominated by frozen methane," ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

Unlike typical comets, ‘Oumuamua lacks rock or carbon-rich material. It is also much more elongated than other comets. It ...

BRUSSELS — Alphabet's Google was hit with a $3.45 billion European Union antitrust fine on Friday for anti-competitive practices in its lucrative adtech business, a sharp sanction that riled up ...

Rep. Anna Paulina Luna and Harvard Scientist Avi Loeb are calling for NASA to monitor the Manhattan-sized interstellar object 3I/ATLAS as it passes the sun on Halloween Eve to ensure it does not drop ...