Planetary Science
- Planetary Science
Citizen scientists join the search for Planet 9
Backyard Worlds: Planet 9, a citizen science project, lets space enthusiasts search for undiscovered objects in the sky, including a hypothesized planet at the far reaches of the solar system.
- Planetary Science
Juno spacecraft reveals a more complex Jupiter
NASA’s Juno spacecraft has sent back unexpected details about Jupiter, giving scientists their first intimate look at the giant planet.
- Planetary Science
TRAPPIST-1’s seventh planet is a chilly world
Follow-up observations of TRAPPIST-1 and its seven planets reveals details about the outermost one.
- Planetary Science
TRAPPIST-1’s seventh planet is a chilly world
Follow-up observations of TRAPPIST-1 and its seven planets reveals details about the outermost one.
- Planetary Science
50 years ago, an Earth-based telescope spotted Saturn’s fourth ring
Scientists now rely on spacecraft to chart the intricate rings of the gas giant.
- Health & Medicine
Readers ponder the randomness of DNA errors
Readers sent feedback on cellular slip-ups, moon mayhem and more.
- Planetary Science
Watery exoplanet’s skies suggest unexpected origin story
Compared with Neptune, HAT-P-26b’s atmosphere has few heavy elements, suggesting it formed differently than the ice giants in Earth’s solar system.
- Planetary Science
Oxygen on comet 67P might not be ancient after all
Molecular oxygen detected around comet 67P may not be a relic of the solar system’s birth. Instead, it may be generated by interactions of water, the solar wind and the comet’s surface.
- Planetary Science
Mars may not have been born alongside the other rocky planets
Mars formed farther away from the sun than its present-day orbit, not near the other terrestrial planets, new research suggests.
- Planetary Science
Here’s how an asteroid impact would kill you
Most deaths caused by an asteroid impact would result from shock waves and winds generated from the blast, rather than effects such as earthquakes and tsunamis, new simulations show.
- Planetary Science
Cassini’s ring dive offers first close-up of Saturn’s cloud tops
Cassini has completed its first dive between Saturn and its rings. Along the way, it snapped stunning pics of the planet’s atmosphere.
- Planetary Science
In ‘grand finale,’ Cassini spacecraft sets off on collision course with Saturn
The Cassini spacecraft will plunge into Saturn’s atmosphere and disintegrate on Sept. 15, but is slated to do some solid science before its demise.
