A cloud of dust traces the innermost planet’s orbital path. By all accounts, it shouldn’t be there.
Planetary scientist studies oceans with a combination of laboratory work and satellite imagery.
The Gaia mission’s asteroid survey will help dig deeper into the solar system’s rocky history.
Astronomers took a direct image of a massive protoplanet embedded in a protoplanetary disk. The system provides strong evidence for an as-yet-unconfirmed theory of planet formation.
Scientists make a case for a more realistic treatment of icy planets’ structure in which ices and rocks are mixed instead of separated in layers.
Tidal heating may have raised the surface temperature of early Earth and triggered global volcanism, a new study says.
A new study finds that Mars’s mantle is neon-rich, putting constraints on the planet’s formation history.
A volunteer network of astronomers is using a unique astronomical perspective to educate people about the climate crisis while at the same time striving for sustainability in academia.
Scientists seek to understand the elusive properties of stellar and galactic cosmic rays before searching for life on exoplanets.