Our single-celled ancestor lived in a world without plants, animals or oxygen-rich oceans. Yet, this seemingly simple microorganism took the first steps toward complex life. From this ancestor emerged ...

In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...

Wagering on over/unders, also known as totals, is common in sports betting. This is one of the most popular betting markets for games, along with point spreads and money lines. We'll go over ...

Good morning, Early Birds. Welcome to the Year of the Fire Horse. Send tips to earlytips@washpost.com. Thanks for waking up with us. In today’s edition ...

In this video I invite you to play a quick game of What’s Under My Microscope with me in my classroom. Using a digital microscope, I zoom all the way in on three mystery objects, from easy to hard, ...

TUCSON (AZFamily) — As the investigation into the disappearance of Nancy Guthrie, mother of NBC’s “Today” show host Savannah Guthrie, enters its second week, the Pima County sheriff leading the case ...

Physicists in Leiden have built a microscope that can measure no fewer than four key properties of a material in a single scan, all with nanoscale precision. The instrument can even examine complete ...

The Ringer’s Bill Simmons said with the continued outcries of league-wide tanking and declining interest in the All-Star Game, it is the “first time” he has really wondered if NBA Commissioner Adam ...