Ursa Major III orbits the Milky Way at a distance of 32,600 light-years. Until now, it was considered a dwarf spheroidal ...

New JWST observations of the Phoenix Cluster of galaxies support a theory about star formation that other clusters challenge.

Explore how solar storms will impact satellites as rising CO2 levels alter space weather dynamics and affect satellite ...

A study published in The Astrophysical Journal reveals that the third planet from the star TRAPPIST-1 does not have an ...

Hundreds of millions of years ago, an asteroid caught by Earth's gravity might have fragmented, creating a temporary ring ...

Mercury, Venus, and Jupiter all congregate in the morning sky, joined by the Waning Moon and the bright stars of Gemini this ...

Astronomers find a new moon orbiting Uranus, boosting its known satellites to 29 using the James Webb Space Telescope.

A century from now, a pair of spacecraft might boldly go where no human-made object has gone before: a black hole. Here's how ...

Now that its ancient journey is over, the rock begins a new chapter on Earth. Officially named the McDonough Meteorite, it is ...

The tiny planet Mercury stands 19° west of the Sun in the early-morning sky, located in Cancer near the Beehive Cluster.

The nearest black hole that we know of at the moment is 1,560 light-years away. There’s probably a black hole lurking within ...

One of the last few Titan shadow transits of the year takes place overnight tonight, with several of Saturn’s other moons ...