Unannounced Test by Controversial “Sunlight-as-a-Service” Space Startup Shocks Astronomers

Double debris disk orbiting a dead star hints at our solar system's future

NASA rover detects ultrafine dust particles on Mars

Scientists discover a never-before-seen potential dwarf planet in our solar system

Astronomers have identified a potential sixth dwarf planet orbiting in the distant reaches of the solar system beyond Pluto.

Major Southern Hemisphere ocean layer shifts, raising questions about heat and carbon storage

Shifts in Southern Hemisphere ocean layers and a decline in Antarctic sea ice are raising urgent questions about global heat and carbon storage.

Physicists Propose a Strange New State of Matter: A Liquid That Can Flow in Time

Physicists have proposed a theoretical new state of matter called a 'discrete time liquid' that lacks perfect temporal order.

Astronomers found a mysterious object beyond Neptune, and it could be a new dwarf planet

Astronomers have detected a mysterious object beyond Neptune that may be classified as a new dwarf planet in our solar system.