Stephen Hawking overcame the loss of his working limbs and voice to become the best-known theoretical physicist of his era, upending the scientific consensus that nothing escapes the intense gravity of black holes. Earning countless honors, he used his fame to appeal for saving the Earth. Science correspondent Miles O’Brien joins Hari Sreenivasan to remember […]
Birth of first stars, clues about dark matter revealed by new radio astronomy technique
Some of the most ancient light has been detected, giving the stars their birthdate, helping characterize dark matter, and opening up a new field of astronomy. The Early Universe The oldest light we can see is the cosmic microwave background, the remnant hiss of the universe’s massive expansion following the Big Bang. After that, the […]
Hubble, most of world’s telescopes likely have glitch, new study finds
A newly discovered error in the way electronic systems record light casts doubt on data collected by many of the world’s telescopes–and even those off-world, like the Hubble Space Telescope. WATCH: Miles revisits the time the Hubble had a different technical issue, right after it launched. An international team of astrophysicists discovered the glitch while […]
Bigelow announces new company, roadmap to private space stations
Robert Bigelow, the real estate developer-turned-space entrepreneur, announced the creation of a new company today: Bigelow Space Operations. The new outfit will manage and operate spacefaring habitats designed by the existing Bigelow Aerospace–ones they hope will soon fly solo or attached to the International Space Station (ISS). Perhaps better known for his real estate empire […]
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