For four years, NASA’s planet-hunting telescope photographed the light of 2.2 million stars. The data sat in public archives, ...
Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...
An artist's conception of Pandora observing an exoplanet.NASA Editor at Large It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the ...
Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with nothing but our eyes. Yet, that 238,855-mile gap between Earth and its lunar ...
Jupiter, the largest planet in the solar system, currently shines as a brilliant silvery "star" in Gemini the Twins, low in the east-northeast sky as dusk slowly fades. It forms an eye-catching ...
The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...
In a new study, researchers from Penn State and NASA’s Jet Propulsion Laboratory analyzed human deep space communications and found that human transmissions are frequently directed toward our own ...
Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for ...