A new look at ancient craters on Mars finds five that are arrayed along an arc that's part of a giant circle around the planet. The circle may have been Mars' equator long ago. The craters might all ...

The recent storms that have battered settlements on the east coast of America may have been much more frequent in the region 450 million years ago, according to scientists. New research pinpointing ...

WASHINGTON – Since the time billions of years ago when Mars was formed, it has never been a spherically symmetric planet, nor is it composed of similar materials throughout, say scientists who have ...

WASHINGTON - Since the time billions of years ago when Mars was formed, it has never been a spherically symmetric planet, nor is it composed of similar materials throughout, say scientists who have ...

The recent storms that have battered settlements on the east coast of America may have been much more frequent in the region 450 million years ago, according to scientists. The recent storms that have ...

A Canadian researcher has calculated the location of Mars' ancient poles, based upon the location of five giant impact basins on the planet's surface. This suggests that the projectiles that ...

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