A new study shows that the shape of urban trees affects how pollen travels through the air, which could help cities reduce allergy exposure.

Pine pollen behind a piece of window screen, photographed through a microscope, shows how small some pollens are, and how easily they can pass through barriers. Credit: Tom Ogren A few weeks ago, The ...

Idaho continues to experience an odd winter as we enter its final month. Last month was the 5th warmest February since 1877.

There have been no moderate or high days for grasses and weeds since sampling began on Monday, Feb. 2, but that’s normal for North Carolina, Taylor said. The Division of Air Quality’s pollen sampler ...

The grave of the shaman from Bad Dürrenberg (Saalekreis district) is one of the most spectacular finds in Central European archaeology. In the Mesolithic period, around 9,000 years ago, a woman ...

GE Aerospace (NYSE:GE) is one of the stocks Jim Cramer put under the microscope. A caller asked Cramer what he thinks is going to happen with the company, and he replied: Well, there you got Larry ...

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 ...

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 ...

PHOENIX (AP) — Chris Nanos has had a long career in law enforcement, but he admits he isn’t used to the amount of scrutiny that has come with leading the investigation into the disappearance of “Today ...

Discovering how potato starch and skin look like under a microscope. Warnings issued on nationalizing elections, ICE at polls — "Huge danger" Amazon pulls 'Melania' after theater mocks film on marquee ...

Physically magnifying objects using a key moisture-absorbing ingredient in diapers has opened an unprecedented view of the microbial world. When you slip a slide under a microscope, a system of glass ...