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New Horizons finds evidence for 2nd Kuiper Belt
The Pluto spacecraft New Horizons is still alive and speeding outward. Has it found a 2nd Kuiper Belt? The team is hopeful for new spacecraft targets.
April 10, 2024
The threat of supernovas to life on Earth
The threat of supernovas to life on Earth is due to their intense radiation. Fortunately, they'd have to be fairly close to affect Earth.
April 5, 2024
Is Titan’s subsurface ocean habitable?
Saturn's largest moon Titan has an underground ocean of water. But is Titan's subsurface ocean habitable? A new study casts doubt.
April 5, 2024
Giant planets orbiting white dwarfs: 1st images?
Astronomers using NASA's Webb telescope have discovered and imaged two possible giant planets orbiting white dwarfs less than 75 light-years away.
April 4, 2024
Black hole is ‘underachiever,” despite jets and high radiation
A black hole in a quasar 3.4 billion light-years away is powerful but underachieving, according to astronomers using NASA's Chandra X-ray Observatory.
April 1, 2024
Comet Hale-Bopp closest to the sun 27 years ago today
27 years ago on April 1, 1997, Comet Hale-Bopp was at perihelion, its closest point to the sun. This comet was widely seen from the Northern Hemisphere.
April 1, 2024
The moon: 5 myths about our natural satellite
There are plenty of myths that surround the moon. Here are 5 of the most popular myths. How many of these myths have you been led to believe?
March 31, 2024
Older brown dwarfs are more likely to be lonely
NASA's Hubble Space Telescope has found older and less massive brown dwarfs tend to be alone with no companions, unlike younger and larger brown dwarfs.
March 31, 2024
5000th comet for sun-observing SOHO spacecraft
Citizen scientists using imagery from the SOHO solar observatory have now discovered their 5000th comet. You can help, too! Join the Sungrazer Project.
March 29, 2024
How 2 billion craters on Mars were created by 1 asteroid
An asteroid created a large Martian crater called Corinto, about 2 million years ago. Debris from the impact also created 2 billion smaller craters on Mars.
March 28, 2024
