Planetary Science
- Space
How the second known interstellar visitor makes ‘Oumuamua seem even odder
With its gaseous halo and tail, the second discovered interstellar object, 2I/Borisov, looks basically like your run-of-the-mill solar system comet.
- Space
Why just being in the habitable zone doesn’t make exoplanets livable
A reignited debate over whether a new planet is habitable highlights the difficult science of seeking alien life.
- Space
‘Imagined Life’ envisions the odd critters of other planets
The authors of ‘Imagined Life’ rely on science to sketch out what kind of organisms might exist on exoplanets.
By Sid Perkins - Planetary Science
India’s first attempt to land on the moon appears to have failed
Indian scientists haven’t heard from the Vikram lander for a full lunar day, after they lost contact during the robotic spacecraft’s descent.
- Planetary Science
Astronomers have spotted a second interstellar object
Researchers will be able to watch what appears to be an interstellar comet swoop through the solar system for about a year.
- Space
India lost contact with its first lunar lander just before touchdown
Chandrayaan 2 mission officials are trying to figure out why its rover-carrying lander went silent moments before it was to reach the moon’s surface.
- Space
Iron sulfide may be keeping Mercury’s core toasty and its magnetic field alive
New estimates of how much heat Mercury’s core loses could explain why the tiny world has a long-lived magnetic field.
- Space
Overnight changes in Mars’ atmosphere could solve a methane mystery
Overnight atmospheric changes on Mars can explain why two spacecraft measure vastly different concentrations of methane.
- Space
5 of Jupiter’s newly discovered moons received names in a public contest
Astronomers first announced the discovery of the worlds in July 2018, and have now named them for goddesses and spirits of Greek and Roman mythology.
- Space
For an asteroid, Ryugu has surprisingly little dust on its surface
Ryugu lacks the dust that some other space rocks have. The near-Earth asteroid may hide the fine debris inside porous rocks or eject it into space.
- Space
A planetary body may have smashed into Jupiter, creating its weird core
A planetary body smashing into Jupiter may have jostled the gas giant’s insides during its formative years, creating the strange interior seen today.
- Planetary Science
India’s first lunar lander is on its way to the moon
India’s Chandrayaan 2 mission just launched, hoping to become the first Indian spacecraft to land on the moon.