Planets/moons

The four-year process of casting the sixth of seven primary mirrors for the Giant Magellan Telescope began this month.
Catherine Meyers, Editor
Researchers and Aboriginal people are working to protect 3.5-billion-year-old stromatolite fossils in western Australia.
Nala Rogers, Staff Writer
Miniature aircraft, powered by light, might offer new ways to explore the atmosphere of Earth -- or other planets.
Katharine Gammon, Contributor
Experiments reveal electrical sparks might light up the raging dust storms on Mars.
Nikk Ogasa, Contributor
How’s the weather up there? Even for exoplanets that are many light-years away, astronomers can learn about their atmospheres.
Yuen Yiu, Staff Writer
The heavenly orbs are not quite stars and not quite planets.
Rebecca Boyle, Contributor
The lunar surface offers advantages for infrared and radio astronomy, despite the challenges.
Ramin Skibba, Contributor
A quarter century of shoreline measurements show that the supermoon’s gravitational force drives more erosion.
Tess Joosse, Contributor
Astrophysicists can now piece together the moon's past, including the role of its fleeting magnetic field.
Ramin Skibba, Contributor
A month’s worth of cool science stories, summed up.
Alistair Jennings, Contributor
For the first time, astronomers have discovered a planet that survived the death throes of its star.
Charles Q. Choi, Contributor
The new findings come after more than 10 years of observation.
Christian Fogerty, Contributor