The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called ...
Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...
Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...
NASA researchers show that artificial intelligence can anticipate solar flare buildups by tracking subtle changes across the ...
The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system, serving as the final boundary between us and the dark reaches of interstellar ...
If you travel far enough away from the Sun, the Solar System becomes a lot more populated. Out past the orbit of Neptune lies the Kuiper Belt, a vast, ring-shaped field of icy rocks. This is where ...
During a close approach to the Sun, the European Space Agency’s Solar Orbiter watched that tipping point unfold in unusually fine detail. The spacecraft observed the M7.7-class flare—strong but still ...
A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...
At the heart of giant planets like Uranus and Neptune, water has astonishing properties, in a state called superionic.
Comet C/2025 K1 (ATLAS) fragmented after its October 2025 solar approach, with telescope observations documenting multiple ...