Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and deep-sky observing. For beginners, simplicity is key. A small, grab-and-go ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar ...

Check out some of the robot vacuum cleaners on offer this Amazon Prime Day 2025, including brands like WAP, Panda, Roomba, and Dreame.