Planets/moons
The heavenly orbs are not quite stars and not quite planets.
The lunar surface offers advantages for infrared and radio astronomy, despite the challenges.
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.
For the first time, astronomers have discovered a planet that survived the death throes of its star.
The new findings come after more than 10 years of observation.
Scientists argue that Deimos’ tilted orbit owes to a Martian ring that disintegrated billions of years ago.
NASA will soon see if specially designed blades spinning really fast can carry a small chopper through the planet’s barely there atmosphere.
Bacteria and yeast can survive under hydrogen in the lab, which may mean more planets could support extraterrestrial life.
Puzzling planets with the apparent density of cotton candy probably have rings, according to a new study.
The space agency’s InSight lander has detected hundreds of marsquakes since arriving on the red planet about 15 months ago.