A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

The universe is vast, and while our solar system is the center of our everyday lives, it is just a tiny part of the cosmic ...

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a ...

There are lots of objects floating around in our solar system, but one thing most have in common is a common origin, and then ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System. Officially named ...

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

Solar Maximum 2025 is the expected peak of solar activity in Solar Cycle 25, characterized by heightened sunspots, solar ...