High-Altitude Telescope Hunts Universe’s Oldest Echoes
At 5,250m in Xizang, a new telescope is scanning the cosmic microwave background to detect the Big Bang’s oldest ripples and unlock secrets of the universe’s birth.
Cosmology
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Cosmic Countdown: Universe’s End May Come in 10^78 Years
New calculations show the universe may decay in 10^78 years – much faster than the previous estimate of 10^1100 years – reshaping our cosmic timeline and sparking fresh questions.
NASA’s SPHEREx Telescope Begins Full-Sky Mapping
NASA’s SPHEREx telescope has launched full science operations, capturing 3,600 daily images to map the entire sky in 3D and chart hundreds of millions of galaxies over two years.