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 ...

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

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

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 ...

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

The award-winning PBS science series, NOVA, a production of GBH, will premiere an epic new five-part series, SOLAR SYSTEM, Wednesdays, beginning October 2 at 9pm ET/8C on PBS.

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

But, if we can figure out what's going to happen to our solar system, that will tell us something about how the Universe might evolve, on timescales far longer than its current age of 13.8 billion ...