They largely resemble Neptune. Scientists emphasize that planets of this type orbiting close to stars are interesting targets for studying exoplanet atmospheres using the James Webb Telescope.

A scientist simulated the contents of the ice giant worlds, and found that a fluid layer may explain each planet’s strange ...

Get the facts on this planet of extremes. Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark, icy world. Receiving just one ...

Haswell's team also found a Neptune-sized planet orbiting further out, possibly too far to vaporize, and a planet with half the mass of Jupiter. When they peered at the third star, they spotted a ...

Barber used data from NASA’s Transiting Exoplanet Survey Satellite to observe the brightness of stars over time. During the ...

A new study found that vast oceans could be on Uranus and Neptune. Astrophysicist Adam Frank joins Chris Jansing to share his ...

We might finally understand what’s going on inside Uranus and Neptune, and the answer is pretty surprising: They may each ...

More than 4,000 have been detected to date using several techniques Many of these worlds are large planets believed to resemble Jupiter or Neptune Many giant planets have been found orbiting very ...

Researchers Measure the Light Emitted by a Sub-Neptune Planet's Atmosphere May 10, 2023 — Researchers observed exoplanet GJ 1214b's atmosphere by measuring the heat it emits while orbiting its ...