The first was a flyby of the asteroid Dinkinesh on Nov. 1, 2023. This coming Sunday, Lucy will zip past her second target, ...

Scientists spent four years challenging an out-of-the-box theory that ammonia and water form slushy hailstones on the gaseous ...

Instead of looking for a girl with kaleidoscope eyes, a NASA spacecraft is about to approach space debris formed in the early ...

The Lucy mission is on a 12-year journey to explore a peculiar set of asteroids that lead and follow Jupiter as it orbits the Sun. As it journeys to these Trojan asteroids, the probe is preparing for ...

NASA is set to launch a series of spacecraft to visit and even bash some of the solar system's most enticing space rocks.

Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the ...

Astronomers since then indeed have discovered worlds, called circumbinary planets, orbiting two stars. But for sheer ...

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

You don't need fancy equipment or to travel far to find a place to stargaze. Here are some fun spots in Delaware to watch the ...