"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...

Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution?

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Venus will partner up with the giant planets Saturn and Neptune to form a line up in the pre-dawn sky on May 8, with ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

Using the James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts, a team of ...

Webb is helping scientists understand these gassy exoplanets 'in a way that was not possible prior to the telescope’s launch, ...

Not seen among the planets of our solar system, these are gassy worlds that, as their names imply, fall in size between that of Earth and Neptune. First discovered by NASA's Kepler space telescope ...

From solar probes to deep space missions, these record-breaking human-made objects reached speeds that make bullets and jets ...

These types of exoplanets are some of the most common in our galaxy - but they've remained mysterious until now.

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

The idea that our Solar System is representative of other solar systems hasn't survived the age of exoplanet discovery.