James Webb observations show TOI-561b, an ultra-hot rocky exoplanet, has a thick atmosphere that redistributes heat.

The James Webb Space Telescope has turned up a world that looks more like a squeezed citrus fruit than a planet, a distorted ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

Exoplanet TOI 1227 b is being bombarded by x-rays from its host red dwarf star, causing it to “shrink from the size of ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

Earth exoplanets orbiting M-dwarf stars, identifying specific candidates that may have retained detectable atmospheres.

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

In 1974, the project’s Science Working Group recommended that the telescope be required to resolve details at least one-tenth ...

Lawrence Livermore National Laboratory is leading a mission to seek the elements necessary for life on exoplanets in far-away ...

Lawrence Livermore National Laboratory is leading a mission to seek the elements necessary for life on exoplanets in far-away ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...