During the 2024-25 National Finalist Pitch Event, PBS News Hour Classroom had the chance to observe student presentations of ...

GPT-5.4 Pro cracked a conjecture in number theory that had stumped generations of mathematicians, using a proof strategy that ...

Groundwater is responsible for about half of the water people use globally. It's drying up. Hayes Kelman started noticing the family farm in western Kansas was slowly getting less water around the ...

The Wall Street titan Leon Black paid Jeffrey Epstein $170 million for what he said was tax and estate work. But his services went beyond that. Credit...Illustration by Anna Kliewer; source images by ...