In its preliminary data release, taken from just seven nights of observations, the powerful Vera C. Rubin Observatory has discovered an enormous, fast-spinning asteroid that sets a new record.

Could a comet passing through the inner solar system be older than the Sun itself? That question sits at the center of the ...

The planet will form a triangle in the sky in the constellation Gemini, with the stars Castor and Pollux. You will be able to ...