A fireball over France revealed a tougher kind of asteroid, named 2023 CX1, raising new concerns about how small impacts can ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Astronomers have taken a huge leap towards discovering habitable worlds, and the world now eagerly anticipates a rocky planet ...

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.

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 ...

Not all Vatican Observatory research is done by Vatican astronomers. This is illustrated by the paper, “A Dormant Captured ...

Not all Vatican Observatory research is done by Vatican astronomers. This is illustrated by the paper, “A Dormant Captured Oort Cloud Comet Awakens: (18916) 2000 OG44”, published this June in the ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

The Europa Clipper cost is estimated to be around $5 billion. This mission aims to investigate Europa’s potential for ...

Three celestial bodies are about to meet up for one night in September in a conjunction that should be widely visible in the U.S. – including Florida.

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their stars that their surfaces are shrouded in thick ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...