Astronomers monitoring the supermassive black hole at the core of the Milky Way have noted three unprecedented flare ups this year as it gobbles stellar debris.
A newly-discovered comet is barreling into the solar system at a velocity that indicates it likely came in from interstellar space. Researchers are working on confirmation.
NASA’s Lunar Reconnaissance Orbiter will try to locate India’s Vikram lander on the moon during a flyover of the landing site Tuesday. Indian space officials said they found the disabled spacecraft on the moon using the country’s own Chandrayaan 2 orbiter, but declined to release any images.
Researchers hear “overtones” in gravity waves generated by black hole merger, confirming predictions of relativity theory and supporting “no hair” theorem.
For the first time, astronomers have detected the signature of water vapour in the atmosphere of an exoplanet orbiting in the habitable zone of its host star.
A 14-year study of a binary pulsar matches predictions from relativity theory regarding how the spin axis of each pulsar changes direction, or precesses, over time.
Researchers with the Event Horizon Telescope Collaboration will share a $3 million Breakthrough Prize for their historic image of the supermassive black hole at the core of the M87 galaxy.
NASA’s Wide Field Infrared Survey Telescope optical system passes a preliminary design review, a major milestone in the Hubble-class wide-field observatory.