Every time I write about particle physics, I encounter a moment of uncertainty about a quantity that, at first glance, ought to be clear. How many kinds of elementary particles should I say there are?

Check your medicine cabinet: Bottles of Gas-X meant to relieve symptoms like bloating, stomach pain and indigestion may end up doing just the opposite. Manufacturer Haleon is voluntarily recalling ...

Some of the most intimidating sights in nature are rolling dark clouds of sand and dust that engulf everything in their path, a phenomenon that turns day into night and wreaks havoc everywhere from ...