One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

For nearly five decades, the twin Voyager spacecraft have pushed the boundaries of human exploration, venturing deeper into ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

ranging from irregular town-size space rocks to massive rounded bodies that are potentially big enough to be considered planets in their own right. So exactly how many solar system moons have we ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

This journey through a dense region of space could have compressed the heliosphere, the protective bubble surrounding our solar system, and increased the influx of interstellar dust, potentially ...

Space-based solar power (SBSP) stations work by using a system of mirrors to concentrate ... might just be the next challenge in the space race.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Scientists peering deep into the outer reaches of our Solar System have spotted what is ...

Previous research has suggested that the Oort cloud contains remnants of the solar system's planets ... it creates a spiral structure in physical space that is roughly 15,000 AU in length ...

CHILD: So how old is our solar system? MADDIE: That’s a great question! Let’s ask an expert. DR BECKY: Hi, I’m Dr Becky and I am a space expert. Now, the solar system and all the planets in ...