Scientists have discovered a 246 million-year-old marine reptile fossil, the oldest of its kind to be found in the Southern Hemisphere, shining a new light on the early evolution of marine mammals.

The snow petrel, a strikingly white bird with black eyes and a black bill, is one of only three bird species ever observed at the South Pole. In fact, the Antarctic is the only place on Earth where ...

As twilight fades to night these May evenings, Mars stands out in the northern sky. It begins the month near the center of Cancer the Crab not far from the magnificent Beehive star cluster (M44). The ...

For the second time in 2025, an incredible astronomical event is about to change the seasons on Earth. The September equinox is almost upon us, with autumn about to begin in the Northern Hemisphere, ...

The region lies at the intersection of major tectonic boundaries that are known for generating powerful earthquakes and ...

Mercury is visible in the northwest evening sky in early July. Mars is visible all month, appearing reddish in color. Saturn is visible in the east after Mars sets, with its rings easily seen through ...