"Flakes" coming off the Great Red Spot have had some wondering if this epic storm is coming to an end. But observations and computer modeling show it's only getting stronger.
Are you a solar eclipse enthusiast with an organizational bent? An upcoming virtual workshop geared toward planning for the 2023 and 2024 events could be just the thing for you.
Event Horizon Telescope data support the idea that magnetic fields control how black holes feed and grow.
New maps of the Milky Way suggest the Local Arm that we call home is longer than expected — now upgraded to a major spiral feature (but not quite an arm).
This week in pictures: Astronomers have watched auroral storms at Jupiter, imaged strands of the cosmic web, and seen stellar fireworks off the sword of Orion.
A new study suggests that by 3 billion years ago, most of the Red Planet’s water was locked away in minerals, and it has stayed there ever since.
Measurements of elliptical galaxies provide a new way of calculating the current expansion rate of the universe. And the results are adding to a growing controversy.
A new study estimates the number of interstellar objects that fly through the inner solar system every year, and it could be quite a lot.
New simulations have identified the Karma family of asteroids in the main belt as a potential source of near-Earth asteroids.
Much of the solar system’s interplanetary dust — seen as zodiacal light from Earth — might come from Mars.