Planets/moons

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
Scientists argue that Deimos’ tilted orbit owes to a Martian ring that disintegrated billions of years ago.
Ramin Skibba, Contributor
NASA will soon see if specially designed blades spinning really fast can carry a small chopper through the planet’s barely there atmosphere.
Catherine Meyers, Editor
Bacteria and yeast can survive under hydrogen in the lab, which may mean more planets could support extraterrestrial life.
Charles Q. Choi, Contributor
Puzzling planets with the apparent density of cotton candy probably have rings, according to a new study.
Ramin Skibba, Contributor
The space agency’s InSight lander has detected hundreds of marsquakes since arriving on the red planet about 15 months ago.
Charles Q. Choi, Contributor