New evidence suggests that a dwarf galaxy orbiting the Milky Way called Ursa Major III is actually a star cluster.

Bright Venus is moving quickly through Gemini, now several degrees south of Pollux this morning, while the Moon crowds closer to Mercury.

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

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

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

SpaceX Starship Flight 10 is set to launch, aiming to refine objectives after previous anomalies, marking a pivotal moment for the spacecraft.

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

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

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

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

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 ...

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 ...