giant azhdarchid pterosaur Hatzegopteryx

Jurassic diet: Why our knowledge of what ancient pterosaurs ate might...

Lava Flow

Scientists use 4D scanning to predict behavior of volcanoes

Ediacaran Dengying Formation

Researchers report the earliest fossil footprints

Tutusius and Umzantsia

First tetrapods of Africa lived within the Devonian Antarctic Circle

Nuvvuagittuq, Canada

Earth could have supported continental crust, life earlier than thought

Earth's crust, mantle and outer core interactions.

New insight into Earth’s crust, mantle and outer core interactions

Dinoflagellate cysts

Red tide fossils point to Jurassic sea flood

Yellowstone hot spring

New way to estimate magma beneath Yellowstone supervolcano

Earth taken by the Apollo 8 astronauts on Dec. 22, 1968

Thank the moon for Earth’s lengthening day

Lakes in the roadless Minto Flats surround the Tanana River in this photo from July 2014.

Scientists find pre-earthquake activity in central Alaska

1...185186187...686Page 186 of 686