The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.

NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a rare ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Ever since a mysterious interstellar object, since dubbed 3I/ATLAS, was first spotted screaming into our solar system this year, famed Harvard astrophysicist Avi Loeb has been raising the possibility ...

The Very Large Telescope (VLT) detected significant nickel vapor but almost no iron in the interstellar 3I/Atlas comet. Having nickel without iron is not a chemical signature found in known natural ...

Astronomers have recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity within the scientific community. This discovery could provide crucial insights ...

Mars' single-plate surface, unlike Earth's active plate tectonics, allows for preservation of its mantle's early internal history, providing insights into rocky planet formation and evolution.

The cannibal solar storm didn't hit its full potential, but still put on a good show. A cannibal solar storm slammed into Earth's magnetic field around 5 p.m. EDT (2100 GMT) on Sept. 1, sparking a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. With about two-and-a-half years to go until a planned crewed-mission ...

NASA has thrown cold water on Harvard astrophysicist Avi Loeb's theory that interstellar visitor 3I/ATLAS was sent to us by an extraterrestrial civilization — a sobering albeit unsurprising conclusion ...

Today Psyche spacecraft on 2025 September 4 has a chance to look at 0.302 AU distance as 3I/Atlas passes by Mars. October, the martian spacecraft array on 2025 October 3 and the Juice spacecraft on ...

Chris Wright, who travels to Europe next week to promote American gas, called climate change “not incredibly important.” By Lisa Friedman Energy Secretary Chris Wright on Friday defended the Trump ...