The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

New supercomputer simulations of the Solar System's history has "pressure bumps" in the Sun's early disks of gas and dust causing small rocky inner planets to form.

A wealth of new information about Earth’s inner core has surfaced in recent months. Scientists now have evidence that the planet’s innermost layer is changing shape. Scientists who just months ago ...

Quantum Analysis of Ancient Space Dust Reveals Why the Inner and Outer Planets Differ New analysis of ancient meteorite dust has provided evidence for a physical gap in the sun's protoplanetary disk.

A team of astronomers at the University of Arizona played an integral role in uncovering a baby planet with a pretty cute name: WISPIT 2b.

Three bright planets adorn December’s evening sky. Mercury, Venus, and Mars line up above the southwestern horizon, changing positions relative to one another night by night. As a bonus, the Red ...

For years, scientists speculated about how the rocky planets—Earth, Mars, Venus, and the mysterious long-lost world, Theia—formed and evolved in relation to one another.