The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

Robo-AO-2 is designed to correct the blur caused by Earth’s atmosphere, sharpening images of hundreds of objects each night ...

Observing the wonders of the night sky begins with selecting the right telescope. Join us on Nov. 20, 2025, at 9:00 am EST ...

Bloomer: It is best to start with a little naked-eye astronomy: see if you can pick just something out at first, and build ...

First up, just pointing a rocket at the Sun and blasting as hard as you can would result in a wild miss. The main problem you ...

The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found ...

The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down.

Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

The powerful coronal mass ejection would have likely destroyed the atmospheres of any potentially habitable planets nearby ...

The observatory’s proximity to Kirkwood Avenue, a hotspot for IU students, helps attract people outside of the astronomy ...