As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, the mysterious visitor continues to ...

One of the studies, published in the journal Nature Astronomy, shows that ice inside the parent asteroid melted and reacted ...

From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn't just trivia—it tells a story about temperature, ...

Solar Orbiter flew closer to the Sun than ever before. This proximity let it capture electrons in pristine conditions.

Astronomers have discovered a large trans-Neptunian object, 2017 OF201, at the edge of the solar system. Its strange orbit ...

September’s full moon will be accompanied by a total lunar eclipse that will be visible to much of the world. Here’s how to see this weekend’s celestial display.