The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory.

The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors ...

The month is packed with skywatching highlights—including six visible planets, an annular solar eclipse, and the Milky Way’s bright core returning to view in the Northern Hemisphere.

The International Space Station is visible from Nevada at certain times. Here’s when to look, where to go and how to track it ...

Deneb, Vega and Altair are among the brightest stars in the night sky. Astrophotographer Osama Fathi captured a gorgeous view ...

Physicists long believed time was a basic feature of the universe. But it may just emerge from cosmic information.

The International Space Station, where astronauts have lived and worked for 25 years, is regularly visible to Earth. Here's how to spot it in Florida.

JWST observations of galaxy cluster MACS J1149 show gravitational lensing used by CANUCS to study distant low-mass galaxies across a wide range of cosmic time.

Physicist Dr. Michael Guillen says that he has used a well-established scientific theory – and a little Bible knowledge – to ...

Watch how SpaceX deployed a Starlink batch. Credit: Space.com | footage courtesy: SpaceX | edited by Steve Spaleta Trump orders release of Arkansas congressman's son serving drug sentence Thousands ...

A new low-frequency radio image offers the most comprehensive view yet of the Milky Way’s southern sky. Astronomers at the International Center of (ICRAR) have produced the most detailed low-frequency ...