The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising to astronomers because most would predict the distant icy worlds to be ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

Titan's shadow will fall on Saturn in the early hours of Sept. 20, one day before the world shines at opposition in Earth's sky ...

September will have a trio celestial conjunction. Here's how to see the moon and Venus together in Arizona and upcoming alignments.

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...

It could mean two bright comets will be visible in the night sky at the same time, on the peak night of a meteor shower.

On Sept. 21, Earth will find itself in between Saturn and the Sun. Here's everything you need to know about this astronomical ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

TWO huge planets will be visible in Irish skies today in a display only seen every fifteen years. Saturn will be visible to people over the weekend as a bright star in the sky. And Venus will pass ...

Astronomy Ireland is setting up giant telescopes in anticipation of “an extremely rare view” of Saturn, which only occurs ...