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

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 ...

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 ...