The sun’s outer atmosphere resembles a pufferfish.

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

New calculations reported by Live Science indicate Jupiter was once much larger and is still contracting as it cools, offering constraints on early solar system conditions.

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

These space-themed cartoons are fun to watch with your kids, and they feature real-life space science and concepts in varying ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...

An artist’s illustration depicts 2025 MN45—the fastest-rotating asteroid with a diameter over 500 meters that scientists have ...