Articles on Solar system

Displaying 1 - 20 of 128 articles

The spectacular layers of blue haze in Pluto’s atmosphere, captured by NASA’s New Horizons spacecraft. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Why Pluto is losing its atmosphere: winter is coming

The dwarf planet Pluto is heading away from the Sun and that's having a devastating impact on its atmosphere.
Pluto’s ghoulish cousin, 2015 TG387, lurks in the distant reaches of our own Solar System. Illustration by Roberto Molar Candanosa and Scott Sheppard, courtesy of Carnegie Institution for Science.

A Goblin could guide us to a mystery planet thought to exist in the Solar system

Whether you call it Planet X or Planet Nine, talk of another planet lurking in our Solar system won't go away. So what does the discovery of a new object – nicknamed "The Goblin" – add to the debate?
Mars’ south polar cap, as seen from Mars Global Surveyor. Buried beneath, we now know, is a lake of liquid water. NASA/JPL/MSSS

Discovered: a huge liquid water lake beneath the southern pole of Mars

Researchers have found evidence of a large lake of salty water, buried 1.5 kilometres beneath the southern polar ice cap on Mars. So what does that mean for life on the red planet?
NASA’s Cassini spacecraft captures Saturn’s largest moon, Titan, passes in front of the planet and its rings. NASA/JPL-Caltech/Space Science Institute

Capturing the shadow of Saturn’s moon Titan from right here on Earth

Titan is more than a billion kilometres from our Sun but occasionally it's shadow can be seen here on Earth, with the right technology. That's what scientists gathered in Western Australia to observe.

Top contributors

More