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…
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…
Gravity Assist: Our Sun, Our Life, with Vladimir Airapetian
How well do you know the Sun? It hasn’t always looked the way it does today. Billions of years ago, the Sun was fainter but also more active, throwing out…
NASA’s TESS Delivers New Insights Into an Ultrahot World
Measurements from NASA’s Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of the bizarre environment of KELT-9 b, one of the hottest planets known. “The weirdness factor…
NASA’s OSIRIS-REx Produces Nightingale Mosaic
This view of sample site Nightingale on asteroid Bennu is a mosaic of images collected by NASA’s OSIRIS-REx spacecraft on March 3. A total of 345 PolyCam images were stitched…