Using the radial velocity method, an international team of astronomers has discovered a new extrasolar planet orbiting a ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off of them." ...

An exoplanet—also called an extrasolar planet—is a planet outside a solar system that orbits another star. With direct imaging, astronomers can see an exoplanet’s light in a telescope and study its ...

Last year, Jean Schneider — an astronomer at the Paris Observatory whose expertise is on extrasolar planets — published an ...

There may be trillions of other planets in our galaxy, the Milky Way (which itself is one of hundreds of billions of other galaxies in the universe). But finding such extrasolar planets ...

Astronomers had observed auroras on all other planets in the Solar System, and spotting one in Neptune completes the list.

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

We search for extrasolar planets and determine their properties. We develop models that describe the atmospheres of the planets. We want to find out what makes a planet favourable to life. Through ...

Extrasolar planets contextualise the Solar System among a large number of planetary systems with very different properties. Many extrasolar planets show characteristics which are not realised in the ...