Stellar Pulsations Suggest Habitable-Zone Planet Around a Massive Star
Researchers use stellar pulsations to detect substellar companions around A-type stars — including what could be a first-of-its-kind exoplanet.
Features RSS
A New Look at a Centuries-Old Solar Eclipse
Handwritten eclipse observations and sketches of solar prominences from 1733 offer researchers a rare window into a data-poor period of solar history.
Planets Scattering Planets in Warm Jupiter Systems
A recent study has found that the observed mass–eccentricity relation of warm Jupiters can be explained by dynamical interactions between planets in these systems.
Extragalactic Planetary Nebula with Massive Progenitor Sheds Light on Stellar Evolution
Researchers investigate a planetary nebula in a star cluster in the Andromeda Galaxy — one of just a handful of known extragalactic planetary nebula–open cluster pairs.
Breaking the Ice: Origins of Carbon Oxides on Uranian Moons
A recent study has used spectroscopy from JWST to decipher the source of carbon oxides on the four largest moons of Uranus.
When Bright Spots Go Dark
New modeling tests a common assumption that’s important for interpreting exoplanet spectra: that stars of all spectral types exhibit bright magnetized regions called faculae.
Who Needs Jupiter?
The original plan for an upcoming flagship mission to Uranus called for a slingshot around Jupiter. Now that the planet won’t be in the right position at launch time, the spacecraft will need to follow a different path.
Primordial Planetesimals from the Guts of Population III Stars
How early did planets form in the universe? A recent study used simulations to find that planetesimals could have formed significantly earlier than previously thought.
An Interstellar Comet’s Coma Composition
JWST observations of the most recent interstellar visitor reveal a coma dominated not by water, as expected for solar system comets, but instead carbon monoxide.
Probing Dust in the Disk of a Growing Giant Planet
PDS 70c is the first exoplanet known to host a circumplanetary disk, where moons are potentially forming.