Mars holds a special place in the solar system. It represents marginal habitability. This means it transitioned from warm and wet and potentially hospitable, to cold and dry and inhospitable. "Mars is ...

A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter ...

The thinking around exoplanet habitability is mostly concerned with a planet's distance from its star. Too close, and any ...

Does a planet just have to be in a star’s habitable zone to be habitable, or are other forces at play? This is what a recent study published in The Astrophysical Journal hopes to address as a team of ...

For years, astronomers have searched the cosmos for planets capable of supporting life. Most efforts focus on the "habitable ...

How can scientists determine if exoplanets orbiting M-dwarf stars are habitable? This is what a study recently presented at the 247th Meeting of the American Astronomical Society hopes to address as a ...

Hydrogen and helium atmospheres could keep exoplanets warm enough to be habitable for billions of years, even at huge distances from their stars. Astrobiologists normally think of the habitable zone ...

Across the galaxy, astronomers now see that planetary systems fall into four broad classes, and our own solar system, part of the rare Ordered group, is only one of them. At the same time, discoveries ...

Space discoveries from 2021-2026 revealed new galaxies, exoplanet findings, Mars missions, and major astronomy breakthroughs ...