When stars like the Sun run out of hydrogen in their cores, fusion slows and the outer layers balloon outward. The star can ...

A new study using data from NASA's James Webb Space Telescope (JWST) has overturned long-held beliefs about mini-Neptune exoplanets. Earlier, scientists assumed these planets—smaller than Neptune but ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

According to the study, scientists had assumed that searing heat and thick gas layers would melt mini-Neptune crusts into ...

Experiments at high temperatures and pressures reveal chemistry that can generate water on the surface of exoplanets ...

Blue Origin's powerful New Glenn rocket will launch a NASA mission to Mars this weekend, and you can watch the action live.

Using JWST, scientists mapped WASP-18b’s atmosphere in 3D, revealing blazing regions where water molecules split apart.

What happens to planets as their stars age and come closer to death? This is what a recent study published in the Monthly ...

The JWST has detected hydrogen, carbon dioxide, methane, and dimethyl sulfide in the atmosphere of a habitable sub-Neptune, ...

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

Astronomers using the James Webb Space Telescope have made the first 3D map of an alien planet's atmosphere, revealing ...

As telescopes have become more powerful, it's turned out our solar system is not the only game in town: There are millions of ...