In the Exoplanet Era, we are learning that planets abound in the cosmos.
Astronomers have discovered more than 3,000 planets around other stars, so far. In the first of a two-part series we look at how they find world's elsewhere in the universe.
Artist’s impression of Planet Nine.
Tomruen, nagualdesign; background taken from File:ESO
Why Planet Nine should be found in the next few years ... if it exists.
Galileo’s sketches of the moon, showing its phases.
We take our understanding of the solar system for granted, but it took centuries to figure out. The original writings of Ptolemy, Copernicus, Galileo and others show how they sparked a revolution.
Alpha Centauri is actually the outer star (bottom right) of The Pointers, which point to the Southern Cross.
Y. Beletsky (LCO)/ESO
A US$100-million plan has been announced to send tiny probes out in space in search of life elsewhere in the universe. But are they looking in the right place?
Artist’s impression: Looking back 12.9-billion km towards the sun and the inner solar system from Sedna, one of the recently discovered minor planets in the Kuiper belt.
NASA, ESA and Adolf Schaller
The search for new objects, including new planets, in our solar system has turned up some interesting finds. There have been a few failures over the years too.
A new planet in our solar system? Let's get direct proof before we start naming it.
Artist rendered distant view from Planet Nine back towards the sun.
Caltech/R. Hurt (IPAC)
Scientists say they have evidence that the solar system has an extra planet, bigger than Earth and way beyond Pluto. So how come we never knew this before?
NASA’s Juno probe will be the fastest object humanity has ever created when it approaches Jupiter.
From the high-speed journey to Jupiter to solar eclipses, meteor showers and planetary alignments visible in the skies above -- add these space highlights to your 2016 calendar.
Recent Martian findings are just the latest discoveries of aurora on other planets, both in and out of our solar system.
Space scientists have a busy decade ahead with plans to visit Jupiter, Mars, Mercury and other interplanetary bodies all on the cards.
What secrets will space reveal?
Why the Breakthrough Listen project is a step in the right direction in our hunt for life beyond Earth.
We got you, Pluto!
In the long lead-up to our ultimate flyby of Pluto, space science has reconfigured our notions of what it means to be a solar system, a planet, a world.
New Horizons’ look at Pluto’s Charon-facing hemisphere reveals intriguing geologic details that are of keen interest to mission scientists. This image was taken on July 11, 2015, when the spacecraft was 4 million km from Pluto.
The New Horizons spacecraft is only hours away from its closest approach to Pluto. It's hoped the brief encounter will help answer many questions about the oddball member of our solar system.
An artist’s concept of a plume of water vapour thought to be ejected off the surface of Europa. Could life be beneath?
Jupiter's moon Europa is one of the most enticing objects in our solar system, and a future NASA mission may help reveal whether it is a suitable for life.
Once there was water….
Some atomic ratio detective work on our solar system neighbors tells us a lot about their watery pasts. That Venus and Mars are mostly dry now could be a cautionary tale for us on the Blue Planet.
Artist’s impression of NASA’s New Horizons spacecraft encountering Pluto and its largest moon, Charon.
NASA/Applied Physics Laboratory/Southwest Research Institute
Who gets to name the craters and features on our planets was once an ad hoc affair. But now the public can have a say with just days left to vote.
The Kepler satellite discovers exoplanets by measuring the light drop from a star when a planet moves in front of it. Maths can uncover many more exoplanets.
Australian National University and the Niels Bohr Institute
The search for life on other planets gets a boost thanks to an old calculation that found Uranus in our solar system.
The prize, Europa, a watery world.
The icy moon Europa is perhaps the most tantalising destination in our solar system. Scientists have been trying for years to kickstart a mission to Jupiter’s most enigmatic moon, with very Earth-like…
Artist’s concept of the New Horizons spacecraft encountering Pluto and its largest moon, Charon (foreground) in July 2015.
Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute (JHUAPL/SwRI)
2015 is already shaping up to be a big year in astronomy and planetary exploration, with the best yet to come. Here are some highlights to keep your eye on throughout the year. Opportunity January 25 marked…
Curiosity Rover has used its onboard lab to detect methane on the Martian atmosphere.
NASA has revealed that a whiff of methane has been detected twice in the last couple of years at the Martian surface by the Curiosity Rover. The source of the methane is uncertain. It is not even clear…