Highly-advanced alien civilizations aiming to protect their home planets from the ravages of climate change may use massive earth-sized starshades to keep cool. If so, the European Space Agency’s (ESA)
Astronomers scanning the skies with NASA's Hubble Space Telescope have pulled off a feat that even Albert Einstein had declared all but impossible: they've witnessed the subtle bending of one star's light
The Australian Square Kilometre Array Pathfinder is already making tremendous leaps forward. Within four days of being switched on, the radio telescope array detected its first fast radio burst, or FRB.