NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

Astronomers have spotted 3I/ATLAS, just the third interstellar object ever seen in our solar system. Bigger, faster, and possibly far older than ‘Oumuamua or Borisov, this icy traveler could help ...

Called 3I/ATLAS, the comet is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system ...

At the moment, 3I/ATLAS is outgassing as it reaches out sun, with the JWST and NIRSpec finding that carbon dioxide, water, ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

From planets that rain diamonds to moons hiding underground oceans, the solar system is full of astonishing secrets. These 10 ...

NASA research reveals that the heliosphere, our solar system's protective bubble, may resemble a deflated croissant rather than a comet. This new mode ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

Computational models suggest that two million years ago, solar winds ran into a space cloud.

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years ...

Kepler data has identified a star with a seven-planet system structured similarly to the sun’s clutch of planets.