NASA’s Psyche spacecraft is on its way to a metal-rich asteroid beyond Mars—and it’s enjoying the scenic route. In a flyby ...

WASHINGTON (voa) – U.S. satellite observations show a continuing retreat of the North Pole ice cap, as the Arctic warms. Scientists say the shrinking ice cover feeds global warming, but is also ...

If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made largely of water ice—the most obvious sign that Mars was once a wetter, warmer ...

If you pull an ice core from the outer edges of the Arctic polar cap, you might spot what looks like a faint line of dirt. Those are diatoms—single-celled algae with outer walls made of glass. Their ...

This is one of the main indicators of the climate crisis. The melting ice caps, with their cumulative surface area around the two poles reaching a historic low in February, have many repercussions: ...

The Arctic has transformed from a remote, frozen wilderness into one of the most strategically contested regions on Earth.