What are wormholes? An astrophysicist explains these shortcuts through space-time Aug 22, 2022 Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to…
NASA’s FERMI Searches for Ripples in Spacetime Apr 17, 2022 Orbiting 500 km above the earth, the Fermi Large Area Telescope collects gamma rays from millisecond pulsars. As these high-energy photons travel across the Milky Way, they encounter a sea of low-frequency gravitational waves produced…