The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Astrology and religion are two ancient belief systems that have shaped humanity’s understanding of the world for millennia.

The ESA says Gaia has been mapping the positions, distances, movements, brightness changes, composition of stars in the Milky ...

Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

Our opening quote contended that Venn diagrams are overrated. Even those who agree must admit that they have a curious allure ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

The sun, a searing hot sphere of gas primarily composed of hydrogen and helium, boasts surface and outer atmospheric ...

The synchronization of data from two natural climate archives -- a speleothem from the Herbstlabyrinth Cave in Hesse (Germany) and ice cores from Greenland -- offers new insights into the chronology ...