Penguin colonies are declining worldwide; explore their adaptations, threats, and what their struggle tells us about Earth’s ...

Unfortunately for planet hunters, Mercury, Venus and Mars are all too close to the sun to observe; they will come out of the ...

As of Sunday, Jan. 18, the Moon phase is New Moon. According to NASA's Daily Moon Guide, 0% of the Moon will be lit up ...

An annexation of Greenland would be the largest geographic acquisition in U.S. history—but financial rewards would be a long ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

Arizona is home to 22 dark sky locations that may offer the clearest views of planetary conjunction between Saturn and the ...

Stargazers will in one week have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a ...

Trump’s attacks on Venezuela echo imperialist episodes from American economic ventures in the Western Hemisphere.

Climate can change fast, even when the planet looks stable. Earth has flipped into new patterns within decades in the past.

Federal scientists have found that 2025 was among the hottest years on record since the Industrial Revolution, continuing a ...

This operation was carried out by brave men and women of the United States military, many of whom will never be named and ...