Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

In a discovery that could rewrite what we know about where water comes from and the building blocks of life in the solar system, researchers have found rare meteorite pieces inside dust brought back ...

A scientist spotted the asteroid hiding in the light of the sun. It's not an imminent threat to Earth, but other space rocks like it could be. A newly found space rock almost broke a speed record. The ...

Jupiter, the largest planet in the solar system, may have been responsible for a mysterious age gap in the early solar system's planet building blocks. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...

"Jupiter didn't just become the biggest planet — it set the architecture for the whole inner solar system." Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early ...

China’s Chang’e-6 mission, the first sample return mission to the far side of the Moon last year, made a fascinating discovery. While poring over the returned lunar samples, which arrived on Earth in ...

The most visible comet of the fall will make its closest approach to Earth overnight. Comet Lemmon (C/2025 A4) is one of a pair of comets sweeping through the solar system. The other is SWAN (C/2025 ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...

Over the past few days, an astronomical piece of space news has been circulating around the internet: NASA purportedly confirmed that Earth has acquired a second moon that will stay with us until 2083 ...

Class of 2026 four-star wing Vaughn Karvala has set a date to announce his college decision. Karvala, the No. 42 player in the senior class according to the 247Sports Composite rankings, will announce ...