The odd nature of 3I/ATLAS led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything that ...

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 ...

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 ...

The immensity of space makes it impossible for humans to discover every hiding place the universe holds. Its infinitude makes ...

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 ...

Bennu's parent body is part of the Polana family of asteroids. A history of collisions created Bennu, and its original parent ...

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

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 ...

The superclouds probably produce star-forming clouds of gas, since most nearby stellar nurseries are located within the giants.

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

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.