Add Yahoo as a preferred source to see more of our stories on Google. A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro ...

Comet 3I/ATLAS is hitting a major milestone on Oct. 30, 2025. The interstellar comet is reaching perihelion, its closest point to our Sun, marking the climax of its brief journey through our solar ...

The head of India's space agency warned Thursday of the immense complexity of sending a mission to Mars as the country prepares to send its first interplanetary probe to explore the atmosphere there.

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers were quickly able to determine was only the third known interstellar object to ...