The arrival of 3I/ATLAS in our solar system spawned multiple proposals for a rendezvous mission to study it up close. As the ...
A city-sized green comet, C/2024 E1 (WierzchoÅ›), is approaching Earth and will soon be ejected into interstellar space, offering astronomers a rare chance to study a hyperbolic visitor from the Oort ...
NASA describes deep hydrogen compression that eventually forms conductive metallic liquid, making Jupiter feel less like Earth and more like a continuous gradient of states. That alone breaks the old ...