Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Have you ever looked into the stars in the night sky and asked yourself questions like “What else is out there?” The universe or our solar system consists of eight planets that go round a very big and ...

Two massive planets may have once existed in early solar system before being ejected, leaving behind evidence in unusual ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming into view, revealing hints of a surprising past – and the origin of Saturn's ...

A comet born around a distant star is now tearing through our solar system at roughly 150,000 miles per hour, and astronomers ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

After federal tax credits for renewable projects expired, joining a solar co-op is one way to save on residential solar.