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Asteroid-comet chimera Chiron has an unusual ice mix, James Webb Space Telescope finds
An object that orbits in the space between Jupiter and Neptune has chemistry that could tell us more about the birth of the solar system.
How to watch 'Doctor Who' Christmas special: Stream 'Joy to the World' online and from anywhere
The Doctor checks in to a very unusual hotel – here's how to watch "Doctor Who" Christmas special "Joy to the World" online on BBC iPlayer in the UK and on Disney Plus in the US.
Christmas night sky 2024: Venus, Saturn and Jupiter visit for the holidays
The Christmas evening sky is especially rewarding now. The eastern sky is filled with brilliant stars, a sort of a celestial Christmas tree.
NASA delays Artemis missions again. What could this mean for the moon, Mars and space leadership?
NASA has pushed its first two crewed Artemis moon missions back to 2026 and 2027, and the move could have big ramifications.
Who is that dying blue robot in the new 'Superman' trailer?
An explanation of the dead robot in the new James Gunn "Superman" teaser trailer
Could that be Santa's sleigh? Early risers can spot the ISS from the UK this Christmas
A bright streak of light in the pre-dawn skies above the U.K. could easily be mistaken for Santa Claus getting an early start to his Christmas deliveries.
Space pictures! See our space image of the day
Space.com's image of the day rounds up the most awe-inspiring space photos right here, with a new image everyday.
On this day in space! Dec. 23, 1672: Giovanni Cassini discovers Saturn's moon Rhea
On Dec. 23, 1672, Italian astronomer Giovanni Cassini discovered Rhea, Saturn's second-largest moon. Rhea is made up of rock and ice and is covered in craters.
