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The uncertainty of detecting planets

This artist’s impression shows a view of the surface of the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the Solar System. Credit: ESO/M. Kornmesser Uncertainty in science is a good thing. Because here’s how the scientific model works: you observe a phenomenon, then form a hypothesis about why […]

Could light and noise from Earth attract attention from outer space?

Credit: KPG_Payless/Shutterstock Since the first use of electric lamps in the 19th century, society hasn’t looked back. Homes and streets are lit at all hours so that people can go about their business when they’d once have been asleep. Besides the obvious benefits to societies and the economy, there’s growing awareness of the negative impact […]