The famous red eye of the storm squeezes in and out for reasons unknown.
A gravitational lens tripled the event in the night sky and helped astronomers measure the rate at which the universe is expanding.
The 3D visualization is the most detailed multi-wavelength video of the massive celestial structure.
The aging telescope will now resort to using one gyroscope, which will add extra time when locking onto new targets.
The orbiting observatory was recently shut down in November because one of its instruments started giving incorrect readings.
Data from a recent stellar explosion showed a mathematical discrepancy, possibly providing rare evidence of a black hole forming right before our very eyes.
In Space Oddities , Harry Cliff explores the biggest unsolved mysteries in physics.
Plus, an incoming comet and stunning new views from the ISS.
NASA's spacecraft had another close encounter with Io, revealing what appear to be two volcanic plumes erupting simultaneously from its surface.
The spacecraft came to within 930 miles of Io's surface—the closest any spacecraft has flown by the Jovian moon in over 20 years.
The NASA mission is making its closest flyby of Io on December 30 to investigate the source of its volcanic activity.
The brilliant stellar death ‘Encore’ was serendipitously discovered near 'Requiem,' another ancient supernova.
Space's latest X-ray telescope, aptly named after the most famous physicist of all time, is poised to unveil the mysteries of nature's most extreme phenomena.
The latest portrait of Uranus showcases its rarely seen rings and moons.
Webb, Hubble, Keck, and other telescopes gave us unprecedented views of the cosmos this year.
An unstable gyroscope has forced NASA's Hubble Space Telescope to enter safe mode, resulting in a temporary suspension of its scientific observations.
The transiting world is Earth-like…but roughly 500° Fahrenheit.
From Earthrise and black holes to lunar footsteps and orbital handshakes, these images irrevocably altered our views of Earth, the cosmos, and ourselves.
Our solar system’s largest planet is luminous baby blue and pink in a new Hubble image.
The space agency is considering budget cuts to Hubble and Chandra in anticipation of a flat budget for 2024.
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