Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.

Fresh analysis now suggests that 3I/ATLAS may measure barely one kilometre across, an unexpectedly small nucleus given the ...

When I was in middle school, I had a classmate who would look at trigonometric functions and yell, "I will never need these!" ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to ...

Of course, this is all a joke. Santa Claus is wise and kind; he knows that matters in gifts is the effort, not the object. Using A.I. to make it easy to give Christmas presents would be as ...