Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

If the weather cooperates, science students of all ages could be in for quite a show on April 8. The first sign will be a sudden temperature drop. The sky will darken, and winds will shift. A dark ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...