Aaron L. Gronstal

New findings suggest that alien plants may be able to photosynthesize a broad range of wavelengths.

What caused the mass extinction at the Triassic-Jurassic boundary?

Why was the early Earth covered in liquid water and not ice?

The finding may help scientists search for signs of life on other planets.

Researchers discovered unique microbes deep beneath the Earth's surface.

New ground tests will help Phoenix detect signs of life on Mars.

New techniques allowed radar observations of the moon's Orientale basin.

Ocean floor sedimentary rocks unravel climate change during the Jurassic.