Mysterious interstellar object 3I/ATLAS reached its perihelion, or its closest point to the Sun, earlier this year, shedding copious amounts of ice and dust in the process. The material has formed ...

The interstellar comet 3I/ATLAS could be covered in erupting "ice volcanoes," new observations suggest. Researchers found evidence that as the comet approached the sun, a series of cryovolcanoes ...