About 15 million deaths could be avoided each year and agricultural emissions could drop by 15% if people worldwide shift to healthier, predominantly plant-based diets, according to the EAT-Lancet ...

Stars up to eight solar masses conclude their lives by shedding outer layers, forming spectacular planetary nebulae of glowing gas and dust in a phase lasting tens of thousands of years. The James ...

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, Rosette Nebula and galaxy NGC 5335 to celebrate. Credit: NASA's Goddard Space ...

NGC 2775 blurs the line between spiral and elliptical galaxies, leaving astronomers debating its true identity. Hubble’s latest view reveals evidence of past mergers and active hydrogen gas clouds ...

The universe is a slow-changing place. While it's mostly true that the heavens and the deep-sky objects in it will look largely the same across an average human lifetime, there are dramatic examples ...