Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

From our vantage point inside it, the Milky Way can feel infinite, a hazy river of light that wraps around the sky. Yet when ...

The New Year begins with the nearly full Moon at perigee in the early afternoon. Two days later –– at full Moon –– Earth is at perihelion, its closest point to the Sun.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Well, you’ve done it again, Universe. You’ve gone and given us another batch of top-notch discoveries. We guess we should thank the fine folks with those massive telescopes, too. Their lifelong quest ...

The Milky Way is a spiral galaxy containing 100-400 billion stars. Planet Earth sits along one of the galaxy’s spiral arms. Though the Milky Way is generally always visible from Earth, certain times ...

A collision would occur in just 2.8 days if all satellites lost their ability to dodge each other, highlighting how crowded Earth’s orbit is becoming. In the past seven years, the number of satellites ...

Milky Way All Caramel “brings the brand's gooey caramel into the spotlight,” per an announcement shared with PEOPLE Milky Way Milky Way All Caramel hits stores nationally beginning in January 2026 The ...

A puzzling ultraviolet light seen across the Milky Way could come from the destruction of nuggets of dark matter, the mysterious stuff that makes up around a quarter of the matter and energy in the ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy, the Milky Way, in unprecedented detail. In one month of observations ...