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Could ‘epsilon machines’ help us find alien life?
Researchers say they have devised a new way of searching for extraterrestrial life on exoplanets using arithmetic-based algorithms called epsilon machines.
February 25, 2022
A hot Jupiter exoplanet’s dark side revealed
Scientists have revealed the dark side of a hot Jupiter exoplanet for the first time, finding iron clouds, titanium rain and violent winds.
February 25, 2022
February’s deep sky for 2022: Wondrous nebulae
Members of the EarthSky community shared these amazing photos of February's deep sky, including the Rosette and Dolphin Head Nebulae and 2 galaxies.
February 25, 2022
Solar Cycle 25 starting with a bang!
Solar cycle 25 has already shown itself to be active, with endless sunspots and coronal mass ejections producing solar storms and aurora. Will it stay active?
February 24, 2022
Wildfire risk will rise, UN report says
A new UN report says wildfire risk will rise. The report projects a 14% increase by 2030, 30% by 2050 and 50% by the end of the century.
February 23, 2022
US bald eagles have lead poisoning
A recent study found that about half of the bald eagles in the United States suffer from lead poisoning. See a gallery of bald eagles from February 2022.
February 23, 2022
3rd possible planet found orbiting nearest star
Astronomers say they have discovered a 3rd possible planet orbiting the closest star to our sun, Proxima Centauri. It is only about 1/4 of Earth's mass.
February 23, 2022
What are black holes?
Black holes are regions of space with gravitational fields so strong that nothing, not even light, can escape. Their sizes vary from stellar to supermassive.
February 23, 2022
A habitable zone planet for a dead star?
A possible habitable zone planet may be orbiting the white dwarf star WD1054–226. Weird, evenly spaced clouds of debris hint at its existence.
February 22, 2022
Winter fog in Willamette Valley, Oregon
Extended periods of fog in Willamette Valley, Oregon, in 2022. What is going on with Oregon? And what is temperature inversion?
February 22, 2022
