Dr. Tsimerman won one of four Fields Medals, an award for top mathematicians under 40, for his work on the André-Oort ...

The costs of space launch have fallen 96% in the past six decades and have the potential to plummet by nearly as much by 2040 ...

Looking for help with today's NYT Strands puzzle? Here's an extra hint to help you uncover the right words, as well as all of today's answers and Spangram.

If you've got the time, we've got the riddle. And it's time for a riddle about time: How many numbers are on a clock? It begins with the simplest of questions that, nevertheless, has no simple answer.

All school year, Montenique Woodard’s seventh period, her last class of the day, has been her hardest. “I feel like I don't know what to do with them,” she said of her middle school science class when ...