Strange objects from other star systems are visiting our solar system. These interstellar visitors are scientifically valuable but disappear quickly. Scientists are calling for a global response ...

You might think of our solar system as fixed and unchanging. But that doesn't take into account the constant discoveries ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

Could a black hole pass through our solar system at high speed? This possibility, once confined to science fiction, is becoming increasingly tangible thanks to recent observations. This theory ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

Add Yahoo as a preferred source to see more of our stories on Google. But now a fourth and much larger object has been spotted entering the solar system, and the scientific community is rushing to ...

In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple ...

Astronomers produced the most complete map of the center of the Milky Way, which can provide insight into how stars and planets are formed.

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

ESS2.C: The Roles of Water in Earth’s Surface Processes Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. ESS2.A: Earth Materials and Systems (3-5) ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...