Composite image of dwarf galaxy Markarian 71, 11 million light years from Earth. Optical and infrared observations of Mrk71 resolve a question about two methods used to measure the composition of ...

NASA’s Mars Odyssey spacecraft has tweaked its orbit to help scientists make the first systematic observations of how morning fogs, clouds and surface frost develop in different seasons on the Red ...

Annie Murphy Paul is the author of the forthcoming book Brilliant: The New Science of Smart. Many of science’s most important breakthroughs, from the discovery of microorganisms to the theory of ...

This artist’s impression shows the locations of multiple radio observatories across the planet, which participated in a pilot experiment conducted by the Event Horizon Telescope (EHT) Collaboration ...