A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known as trans-Neptunian objects, that is moving in ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A recent Gemini Observatory image of comet 3I/ATLAS (background) overlaid with the new Two-meter ...

Newly released images of the interstellar comet 3I/ATLAS appear to show the alien object spitting out an enormous jet of gas and dust toward the sun — just as comets are expected to do. Discovered in ...

Combining 159 exposures lasting 50 seconds each, the composite image shows the icy body (or nucleus) of 3I/ATLAS as a big, black dot, surrounded by a white glow. A sudden, fan-shaped break in this ...