Earth has experienced many icehouse and greenhouse climates. A new study shows how they connect to plate tectonics.

The lights have dazzled Britain's skies as the rare phenomenon was brought about by a huge geomagnetic storm hitting the UK ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

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

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.

Tim Sebastian is an English journalist who served as the BBC’s Moscow correspondent, and has reported from Washington and ...

Florida is home to 3 dark sky locations that may offer the clearest views of a 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 ...

As I was saying…The great Star had been here on earth before to proclaim the birth of the Lord, Jesus. It stood high in the sky directly in ...

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

Daylight saving time will begin on Sunday, March 8, 2026, when clocks “spring forward” one hour at 2 a.m. It will end on ...