41,000 years ago, Earth's magnetic field weakened dramatically. This period, known as the Laschamps excursion, may have unexpectedly influenced life on Earth. A collaboration between archaeologists ...

In the quiet layers of rock, footprints, bones, and leaves tell a story of worlds lost, and of our own uncertain future. The ...

The article highlights the paradox of widespread belief in the abundance of life in the universe juxtaposed with humanity's singular known example on a planet facing rapid climate change. It ...

Imagine a planet much like Earth, except instead of green trees dotting its swaths of land, two species of flowers—black daisies and white daisies—are the dominant plant life. The flowers are ...