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This galaxy cluster provides a lens on distant space
The Webb space telescope has imaged the stunning galaxy cluster MACS J1149, putting a spotlight on its prominent gravitational lensing.
January 25, 2026
Voyager 2 met Uranus 40 years ago
Voyager 2 met Uranus on January 24, 1986. The spacecraft sent data that revealed 2 new rings, 10 new moons, radiation belts, and a very unusual magnetic field.
January 23, 2026
Giant gas cloud holds mysterious object, astronomers say
Astronomers witnessed a giant gas cloud pass in front of its star. A mysterious object is hidden in the gas cloud: likely a planet, brown dwarf or small star.
January 23, 2026
Milky Way’s central black hole erupted surprisingly recently
New observations of “light echoes” reflecting through the Milky Way suggest our galaxy’s supermassive black hole erupted violently in the recent past.
January 22, 2026
Powerful magnetic fields on super-Earths could boost chances of life
A new study said powerful magnetic fields on super-Earths could help shield them from radiation from their stars, making them potentially more friendly to life.
January 21, 2026
New survey of nearest stars reveals best spots for life
A new survey of nearest stars to the sun - more than 2,000 of them - is helping astronomers determine which ones are the most likely to have habitable planets.
January 20, 2026
Here’s what ‘habitable’ means to astronomers
When astronomers say a distant world is 'habitable,' what do they mean? Do they mean humans could live there? Do they mean we've discovered alien life?
January 18, 2026
Do aliens and fireflies communicate similarly?
Advanced aliens and fireflies on Earth might communicate in similar ways, by using signals of flashing light, a new theoretical study suggests.
January 16, 2026
SETI@home takes a closer look at 100 notable signals
The SETI@home project is taking a 2nd look at 100 notable signals. Researchers are using China's FAST radio telescope to prepare for future surveys.
January 15, 2026
Europa’s ocean ‘quiet and lifeless,’ new research suggests
Is Europa's ocean habitable? A new study suggests it might be 'quiet and lifeless', with little to no geologic activity on the seafloor.
January 15, 2026
