Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

NASA/JPL-Caltech This image shows data from NASA’s Spitzer Space Telescope, from the IRAC instrument, with colors corresponding to wavelengths of 3.6, 4.5, 5.8 and 8.0 m (shown as blue, green ...

The sun protects our solar system's planets from the harsh environment of interstellar space; 2 million years ago, a dense cloud of matter could have curtailed this shielding.

If you want to know what interstellar space is like, it can be a mosh pit. Energetic shocks from our sun and countless other stars blend together, creating a soup of particles and radiation. You ...

For us, galaxies are where most of the interesting stuff happens in the cosmos. Stars, planets, and black holes are all usually found inside these bustling cosmic neighborhoods. But space isn't just ...