Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper ...

Pons-Brooks and Jupiter were seen by NASA's Solar TErrestrial Relations Observatory-A (STEREO-A). Credit: Space.com | NASA ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

New research indicates that the water on Comet 67P/Churyumov–Gerasimenko has a molecular signature closely matching that of water found in Earth’s oceans. This discovery revives the ...

Although the impact of Comet Shoemaker-Levy 9 seems like a once-in-a-lifetime event, impacts still occur at Jupiter. You ...

Water is essential to life, yet its true origin on Earth still stirs debate. Scientists have long wondered whether it came ...

Its currently in Mars' orbit but is on its way towards the Sun and getting brighter Atlas, a massive comet five times the size of Jupiter and about half the size of the Sun, will appear brighter ...

NASA's Hubble Watches Jupiter's Great Red Spot Behave Like a ... 2024 — Researchers studying meteor showers have found that not all comets crumble the same way when they approach the Sun.

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than just dazzling streaks of light as meteors, these ancient fragments are among ...

Add the Jupiter crash of comet Shoemaker-Levy in 1994, Halley's most recent visit in 1986, vivid comet West in 1976, and the scientifically signifiant—if visually disappointing—Kohoutek in ...

Studying this Jupiter-sized world and its long comet-like tail can teach us more about the physics of space, including how planets and their host stars evolve together over time. "The WASP-69b ...

Astronomers immediately became excited about the comet because it appeared to be unusually bright—even when it was still well outside Jupiter's orbit. Careful analysis of a Hubble Space ...