Earth is reflecting less sunlight, and absorbing more heat, than it did several decades ago. Global warming is advancing faster than climate models predicted, with observed temperatures exceeding ...

Editor’s note: This is a first-person account of ongoing research. “Last year we had no snow here,” the hotel desk clerk in Anchorage said. That got my attention, because this is Alaska, after all. We ...

A recent study found that cumulus clouds, the small cotton ball-like ones typical for a sunny day, can dissipate once an eclipse begins. But if the skies are overcast, your view could still be ...