Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect laboratory for understanding how giant planets can form." When you purchase ...

Sky-watchers are in for a treat this week, as the planets will put on a rare show in the early morning hours. You won’t want ...

High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how planets form. Across our galaxy, astronomers routinely observe a ...

Perseverance just landed on Mars, where it will search for signs of life. But space's cool factor doesn't begin or end there!