Dust brought back to Earth by China's Chang'e-6 mission contains rare meteorite relics that could change our understanding of sources of water and other life-essential ingredients in our solar system.

Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to get a closer look. As 3I/ATLAS warps and grows the closer it gets to ...

Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to enter our solar system.

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

The European Space Agency's ExoMars Trace Gas Orbiter and Mars Express took photos of the interstellar comet 3I/ATLAS as it passed within 19 million miles in space. That might seem extremely far, but ...

We know a lot about the universe. Roughly how much black holes weigh, the atmosphere of planets light-years away and how leaky Uranus is. What we don’t know too much about is a lot closer than you ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.