On Nov. 24, 2021, the Double Asteroid Redirection Test (DART) launched. The spacecraft was on its way to Dimorphos, part of a ...

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The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

You’re looking at a building block of someone else’s home, said planetary astronomer Karen Meech as the first calibrated images of comet 3I/ATLAS appeared on screens at the Gemini South Observatory.

This NASA/ESA Hubble Space Telescope image features a galaxy that's hard to categorize. The galaxy in question is NGC 2775, ...

Whether an asteroid is spinning neatly on its axis or tumbling chaotically, and how fast it is doing so, has been shown to be ...

The asteroid's neck, or "collum," — which joins the two lobes — has been named Windover. The name comes from the Windover ...

Scientists got a never-before-seen look at an area around a large exoplanet 625 light-years away where moons could ...

The 3I/ATLAS interstellar object, detected by NASA, is remarkably larger and more massive than earlier estimates, making it ...

Comet 3I/ATLAS, the third interstellar object ever detected, will be visible from ground-based telescopes through the end of ...