A comet not seen from Earth in tens of thousands of years is visible in the skies this month. Comet C/2022 E3 (ZTF) was discovered on March 2, 2022 by astronomers Frank Masci and Bryce Bolin using ...

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...