How did whales get so big? Paleontologists say they’ve figured it out

Investigators who studied the crash of the European Space Agency’s Schiaparelli lander on Mars last year have recommended more stringent testing and computer modeling before the launch of a joint European-Russian landing craft in 2020 to avoid a …

The total solar eclipse of March 8-9, 2016, as seen by the NASA-NOAA Deep Space Climate Observatory (DSCOVR) spacecraft. Credit: NASA/DSCOVR-EPIC Team.

Artist’s concept of the Psyche spacecraft, which will conduct a direct exploration of an asteroid thought to be a stripped planetary core.

This photo supplied by Rocket Lab, shows the Electron rocket maneuvers to the launch pad on the Mahia Peninsula in the North Island of New Zealand, Thursday, May 25, 2017.

This image released by Henry Holt shows “Apollo 8: The Thrilling Story of the First Mission to the Moon,” by Jeffrey Kluger.