NASA's James Webb Space Telescope has revealed thick, dusty layers of the Cat's Claw Nebula, a region of star formation about ...

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.

The Owl Nebula is an example of a planetary nebula — a type of object that yields glimpses of stellar death in slow motion.

The comet will zip past Mars’s orbit and reach its closest point to the Sun on 29 October 2025, at 1.35 astronomical units.

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

This lifespan began roughly 4.6 billion years ago, and will continue for about another 4.5 - 5.5 billion years, when it will deplete its supply of hydrogen, helium, and collapse into a white dwarf.

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Ancient meteorite reveals a protoplanet formed in the outer Solar System earlier than thought, reshaping planet formation ...

Pictures of the International Space Station as it passes in front of the Sun or Moon are a bit of a feather in the cap of ...

With a spectacular array of galaxies and nebulas, the ambitious telescope begins its 10-year survey of the cosmos.

The Vera C. Rubin Observatory has just released some of its first images. Its powerful new telescope will be able to quickly ...