Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

Most of the information we have about planets beyond our solar system (exoplanets) comes from looking at dips in starlight as these planets pass in front of their host star. This technique can ...

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

To better understand why the planets have variable compositions ... to the formation of the gas and ice giants in the outer solar system. This first-order model of planetary growth in the solar ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

People will be able to see a rare sight at the end of this month when all seven other planets in our solar system line up in the night sky. For the last few weeks six of the planets have been ...

A new type of exoplanet has been discovered: Enaiposha, also known as GJ 1214 b. Long heralded as a mini-Neptune, new observations have indicated that it is a member of a category never seen before ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet ... could reshape our understanding of the Earth-Moon system and the broader solar system.

In a significant development, a team of scientists from the Physical Research Laboratory (PRL), Ahmedabad, have discovered a ...