Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

The immensity of space makes it impossible for humans to discover every hiding place the universe holds. Its infinitude makes ...

The comet, originating from beyond our solar system, continues to draw attention from astronomers worldwide as multiple Nasa ...

(Image credit: alexandarilich/Getty Images) Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's just a blip in the 13.8 billion-year story of the universe.

Some stars in the universe grow to 300 times larger our own sun. But how do they get so big, and how do they sustain their ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

A pair of planetary scientists simulated how our solar system might have evolved if it had a super-Earth orbiting where the asteroid belt is today. The results are enough to make you grateful that ...

But black holes are much rarer in the universe, and the chance of one traveling through the solar system even a single time is low — much less that it would collide with something.

Scientists have thought that our solar system's inner rocky planets — Mercury, Venus, Earth and Mars —formed first (around 4.566 billion years ago), while gas giants and icy bodies in the ...