Over 4 billion years ago, as planets were coalescing around the newborn Sun, our star may have gone on an epic road trip across the Milky Way along with thousands of stellar “twins.” And we may owe ...

Each year, Earth reaches its closest point to the sun in early January, a moment called perihelion. In 2026, this occurred on January 3 at 12:15 p.m. EST, when Earth was about 91.4 million miles from ...

Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but relentlessly growing brighter. This might sound like good news, but it's actually ...