Hubble traces the migration of white dwarfs in cluster 47 Tucanae
Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, collected a census of young white dwarf stars beginning their migration from the crowded centre of an ancient star clu ... more
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US Military Contractor Develops Aircraft for Flights to Hover Over Venus
The New Frontiers program was launched by NASA with the aim of exploring every planet in our solar system. Next on the list? Sulphurous Venus. To do that, contracting companies are designing an auto ... more
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Dozens of tornadoes plow central US, at least 5 killed
Schools closed, warnings issued as Asia swelters in extreme heatwave
NASA's ORCA, AirHARP Projects Paved Way for PACE to Reach Space
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Technique for finding signs of life on the Red Planet
For centuries, people have imagined the possibility of life on Mars. But long-held dreams that Martians could be invaders of Earth, or little green men, or civilized superbeings, all have been under ... more
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Astronomers Baffled by Discovery of Rare Quasar Quartet
Using the W. M. Keck Observatory in Hawaii, a group of astronomers led by Joseph Hennawi of the Max Planck Institute for Astronomy have discovered the first quadruple quasar: four rare active black ... more
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Circular orbits for small extrasolar planets
Researchers based at Aarhus University have measured the orbital eccentricity of 74 small extrasolar planets and found their orbits to be close to circular, similar to the planets in the solar syste ... more
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Hubble Catches Stellar Exodus in Action
Using NASA's Hubble Space Telescope, astronomers have captured for the first time snapshots of fledging white dwarf stars beginning their slow-paced, 40-million-year migration from the crowded cente ... more
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OPALS Boosts Space-to-Ground Optical Communications Research
Ever wonder why stars seem to twinkle? This effect is caused by variations in the density of our atmosphere that cause blurring in light coming from space. It's pretty for stargazing, but a challeng ... more
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