A total lunar eclipse occurs when the Earth is positioned directly between the moon and sun, blocking the sun's rays from the ...

A cross-country storm will bring a multitude of threats this week, including severe storms, heavy rain, strong winds and ...

The coming March 13-14 total lunar eclipse promises to be spectacular — if the weather permits. This "blood moon" — the first ...

Parts of all states in the Lower 48 woke up to subfreezing temperatures Tuesday due to a weather pattern that will keep arctic air in place across the eastern half of the country at least until ...

In March of 1975, an extremely rare Ross's Gull was confirmed for the first time in the Lower 48. The sighting and the frenzy ...

The traditional Lower 48 states would become the contiguous 50 as the Canadian territory between the U.S. mainland and Alaska disappears, leaving Hawaii as the only noncontinental state.

USFWS announced the extension of its comment period on its proposed rule for the species’ management, and legal experts and scientists are weighing in, detailing the mounting human-caused threats to ...

The first countrywide systematic analysis of butterfly abundance found that the number of butterflies in the Lower 48 states ...

The first countrywide systematic analysis of butterfly abundance found that the number of butterflies in the Lower 48 states has been falling on average 1.3% a year since the turn of the century ...

Since it will be completely dark across most of the United States, the eclipse will be visible if skies are clear in the entire lower 48 states and in eastern Alaska. The full effect of the ...

The traditional Lower 48 states would become the contiguous 50 as the Canadian territory between the U.S. mainland and Alaska disappears, leaving Hawaii as the only noncontinental state.