Solar System

interstellar visitor

In a first, scientists spotted an ‘interstellar visitor’ in our solar system

Science

The quarter-mile-wide hunk of space rock is affectionately being called “A/2017 U1.”

An artist’s concept of a planetary system discovered by Kepler, called KOI-961.

Kepler turns up a trove of new exoplanets

Science
Jupiter

Take a dazzling new peek at Jupiter

Technology
Galaxy formation

The water on Earth is even older than the sun

Science

NASA shares a family portrait of the inner solar system, starring Saturn

Environment