Dec 6, 2025 · These small bodies preserve clues to the solar system's earliest days. During the long process in which tiny grains grew into planets, intermediate objects known as planetesimals formed.

Jul 16, 2025 · Astronomers have, for the first time, discovered the moment when planets started to form around a sun-like baby star, scientists reported Wednesday.

This list of exoplanets discovered in 2025 is a list of confirmed exoplanets that were first reported in 2025. For exoplanets detected only by radial velocity, the listed value for mass is a lower limit.

5 days ago · But this new world is extra exceptional. It hugs its twin stars more tightly than any other directly imaged planet in a binary system. In fact, it is six times closer to its suns than other …

December 8, 2025 In the time it takes our planet to go around the Sun, we do a lot of exploring. This year, new missions took off, a powerful observatory began examining the sky, and seasoned …

Jul 22, 2025 · First-ever look at baby planets forming in a newborn solar system like ours. Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet...

Jul 20, 2025 · In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery offers a rare vision of how Earth-like worlds may begin.

Jul 17, 2025 · In an incredible breakthrough, a team of international astronomers have for the first time ever witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our …

Jul 16, 2025 · CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn …

Jul 17, 2025 · While we are still searching for answers to these, astronomers have made a remarkable discovery: the birth of a new planet. The study which led to the sighting of the birth of this new solar …