The four-year process of casting the sixth of seven primary mirrors for the Giant Magellan Telescope began this month.
Researchers and Aboriginal people are working to protect 3.5-billion-year-old stromatolite fossils in western Australia.
Miniature aircraft, powered by light, might offer new ways to explore the atmosphere of Earth -- or other planets.
How’s the weather up there? Even for exoplanets that are many light-years away, astronomers can learn about their atmospheres.
The heavenly orbs are not quite stars and not quite planets.
A quarter century of shoreline measurements show that the supermoon’s gravitational force drives more erosion.
Astrophysicists can now piece together the moon's past, including the role of its fleeting magnetic field.
A month’s worth of cool science stories, summed up.
The new findings come after more than 10 years of observation.