Bitter cold in January likely won't reduce field crop pests

Despite record cold air temperatures, soil temperatures averaged slightly warmer than normal in Illinois this winter. Consequently, the arctic conditions are expected to have little effect on overwintering field crop insect ...

Opportunity's parting shot was a beautiful panorama

Over 29 days last spring, NASA's Mars Exploration Rover Opportunity documented this 360-degree panorama from multiple images taken at what would become its final resting spot in Perseverance Valley. Located on the inner slope ...

First look: Chang'e lunar landing site

On Jan. 3, 2019, the Chinese spacecraft Chang'e 4 safely landed on the floor of the Moon's Von Kármán crater (186 kilometer diameter, 116 miles). Four weeks later (Jan. 30, 2019), as NASA's Lunar Reconnaissance Orbiter ...

Why do egg whites turn white when you cook them?

When you crack open a raw egg, the egg white isn't white at all—it's more like a clear jelly. So why does it turn white when you cook it? Does that make it safe to eat? And what about egg yolks?

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