One of the most common types of exoplanets falls in a size range between Earth and Neptune. Astronomers have debated whether ...

Dramatic theories have been proposed to explain the mysterious interiors of Uranus and Neptune, the ice giants of our solar ...

"There really is something very different about how these giant planets form versus how small planets like Earth form ... is that right around the size of Neptune, planets go from being almost ...

"Based on our predictions, up to about 1% of super-Earth and mini-Neptune systems could host Earth-like planets within the habitable zone of their stars. While this fraction is relatively low ...

These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our system. This discovery paves the way for future ... Mar. 11, 2025 — A new study presents ...

These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ... Super-Earths and Mini-Neptunes: More Earth-Like Planets May Exist Mar. 11, 2025 — A ...

A stunning photo of a "parade of planets", shows Mars, Jupiter, Uranus, Saturn, Venus, Neptune, and Mercury in alignment from Earth. The image could be the first of its kind.

A quick guide to the planet Neptune, which is composed mainly of ... as well as locating their position in relation to Earth and the Sun. The children could choose to study one planet in detail ...