Scientists discover remnants of Theia, the planet that collided with Earth 4.5 billion years ago
Two continent-sized structures deep inside Earth may contain remnants of Theia, the ancient planet thought to have collided…
Jupiter’s Surprising Oxygen Levels: A Game Changer for Planet Science
Jupiter’s oxygen levels are rewriting our cosmic narrative! Recent research reveals that this giant planet holds 1.5 times…
Interstellar comet 3I/ATLAS may be a fragment of a 12-billion-year-old planetary system
As interstellar comet 3I/ATLAS moved away from the Sun in December 2025, an international team led by Martin…
Nasa Missions To Uranus: Is the solar system missing whole planets? Scientists think Uranus may have answers
For years, everyone assumed our solar system’s eight planets (nine, when Pluto was within the fold) were the…
How Big Can a Planet Get Without Becoming a Star? JWST Data Solves 20-Year Mystery of Rule Breaking Exoplanets
One way gas giants form is through core accretion, where solid cores gradually grow in a disk by…
New simulations reveal the hidden forces shaping ‘snowman’ worlds beyond Neptune
On a frigid orbit beyond Neptune, some of the solar system’s smallest worlds project a strange silhouette. Two…
Theia, the planet at the origin of the Moon, may have formed close to the Sun
If the Moon is the natural satellite of the Earth, this has not always been the case. Indeed,…
Astronomers uncover Earth-sized planets in a compact binary system
When the Transiting Exoplanet Survey Satellite (TESS) scanned a faint red-dwarf pair in 2019, astronomers noticed periodic dips…
A Soft Collision in the Early Solar System May Explain Mercury’s Giant Metal Heart
In the crowded early Solar System, young planets frequently collided and reshaped each other. But Mercury stood out.…
Turns Out Cosmic Dust Isn’t Actually Miniature Rocks After All
Featured in this image from the NASA/ESA Hubble Space Telescope is a lenticular galaxy called NGC 4753 with…