Most robotic missions get a burst of attention at launch, a second burst at arrival, and then vanish from the news. Much of ...

Beyond Neptune, beyond Pluto, and far past the icy ring of the Kuiper Belt, astronomers believe the Sun is wrapped in an ...

A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

The search for life beyond Earth has marked a new discovery — evidence of an atmosphere on an Earth-like planet beyond our Solar System with modelling suggesting it may be a water world.

If you’ve been staying inside all summer due to heat waves and poor air quality from the wildfires, August is shaping up to ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...