Hubble Finds That Betelgeuse’s Mysterious Dimming Is Due to a Traumatic Outburst
Observations by NASA’s Hubble Space Telescope are showing that the unexpected dimming of the supergiant star Betelgeuse was most likely caused by an immense amount of hot material ejected into…
NASA Researchers Track Slowly Splitting ‘Dent’ in Earth’s Magnetic Field
A small but evolving dent in Earth’s magnetic field can cause big headaches for satellites. Earth’s magnetic field acts like a protective shield around the planet, repelling and trapping charged…
Space Station 20th: Food on ISS
On April 12, 1961, Soviet cosmonaut Yuri A. Gagarin made history as the first human in space aboard his Vostok capsule. During his single orbit around the Earth, he also…
NASA Study Maps the Roots of Global Mangrove Loss
Using high-resolution data from the joint NASA-U.S. Geological Survey Landsat program, researchers have created the first map of the causes of change in global mangrove habitats between 2000 and 2016…
Citizen Scientists Discover Dozens of New Cosmic Neighbors in NASA Data
We’ve never met some of the Sun’s closest neighbors until now. In a new study, astronomers report the discovery of 95 objects known as brown dwarfs, many within a few…