Astronomers have discovered what they believed to be a rare stable trio of gravitationally bound Kuiper Belt objects, offering new clues to the enduring "3-body problem."
A near-Earth asteroid discovered by astronomers late last year that showed a rising potential for colliding with Earth has been downgraded, according to planetary defense experts.
New observations made by NASA’s James Webb Space Telescope have revealed a chaotic and perpetual light show occurring at the galaxy’s center, revealing phenomena that defy current models.
New research suggests that Enceladus’ subsurface ocean may trap signs of life in deep layers for thousands of years, making it unlikely that NASA’s planned plume samples will provide clear evidence of extraterrestrial organisms.
Cosmic ghost towns, halted in their development by cosmic forces billions of years ago, have been discovered by University of Arizona Steward Observatory astronomers.
A distant supermassive black hole, the mysterious 1ES 1927+654, emits X-ray pulses unlike anything previously recorded, which MIT astronomers hypothesize results from a cosmic balancing act.
After receiving healthy signals from the Parker Space Probe, NASA can breathe a sigh of relief following the craft's record-breaking approach to the Sun.
Harvard astronomer Avi Loeb explains why it's an understatement to think that humans could have behaved more intelligently throughout our history, and what that means for the future.