407 results
407 results for: exoplanet
- Astronomy
Some planets might home brew their own water
Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.
- Planetary Science
In a first, the Webb telescope found a planet by actually ‘seeing’ it
Finding a Saturn-sized world around the young star TWA 7 could pave the way for the Webb space telescope’s direct observation of other exoplanets.
- Life
A barrage of radiation couldn’t kill this hardy life-form
A type of lichen was able to survive extreme UV radiation in the lab, suggesting that ozone protection might not be required for life on exoplanets.
- Planetary Science
A crumbling exoplanet spills its guts
Astronomers have determined the internal composition of a distant, disintegrating planet for the first time.
- Planetary Science
A giant planet may orbit our closest sunlike neighbor
Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.
- Astronomy
A claimed hint of alien life whips up spirited debate
Astronomers have a lot of thoughts about the latest paper claiming we’ve found the strongest hints of alien life yet on the distant planet K2 18b.
- Planetary Science
Cosmic rays could, in theory, sustain life on other worlds
The hypothesis could extend the search for extraterrestrial life to include frigid planets with thin atmospheres and underground water.
- Space
The nearest single star to Earth has four small planets
Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.
- Astronomy
Citizen scientists make cosmic discoveries with a global telescope network
On balconies and in backyards, Wi-Fi–enabled telescopes are connecting astronomy enthusiasts across six continents.
- Space
JWST spots the first known ‘steam world’
Astronomers have found a world shrouded in an atmosphere of water vapor, orbiting a star 100 light-years away.
- Planetary Science
This star offers the earliest peek at the birth of a planetary system like ours
A young sunlike star called HOPS 315 seems to host a swirling disk of gas giving rise to minerals that kick-start the planet formation process.
- Planetary Science
Mars’ potato-shaped moons could be the remains of a shredded asteroid
Phobos and Deimos could have formed from asteroid debris, a new study suggests. An upcoming sample return mission will help test the idea.
