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Sunday 10 December 2023 Dublin: 7°C

# Solar System

This year
New planet ring system discovered in our Solar System
The ring system is around a newly discovered dwarf planet, named Quaoar, which is around half the size of Pluto and orbits the Sun beyond Neptune.
Last year
All the planets in the solar system visible tonight and tomorrow night
While the chances of seeing Venus and Saturn are gone for tonight, Jupiter is still visible.
All time
New Earth-like planet found where a year lasts just under 10 days
The announcement was made by a team using an observatory in Chile.
A massive asteroid is going to come 'very close' to Earth today
Smaller asteroids whizz by Earth several times a week.
Large asteroid to hurtle past Earth tomorrow
Nasa has said there is no chance the asteroid will hit us, but it will be “a very close approach”.
Check out these incredible photos of the solar system
Simply breathtaking.
It looks like there could be a ninth planet in our solar system
And it takes as long as 20,000 years to orbit the sun.
What would happen if the sun disappeared right now?
It wouldn’t be the best thing that could happen.
Nasa just released the clearest photo you've ever seen of Pluto
It has never been seen in such detail.
A huge comet that's as solid as a pile of talcum powder just buzzed by Mars
The comet, known as Siding Spring, whizzed past Mars yesterday. Three NASA spacecraft had to take shelter behind the Red Planet as the close encounter took place.
After hitting the brakes from 10,000 mph, Nasa's newest Mars orbiter is circling the red planet
Maven is joining a growing number of probes observing Mars from above.
NASA finds 'bonanza' of 715 new planets, but how many could support life?
About four in fact.
One in four Americans don't know the earth circles the sun
Is there life on Mars? Ten years on the Opportunity rover is still looking
The rover was only supposed to run for 90 days, but 10 years a 40 Martian kilometers later, it shows no signs of stopping.
Column: Why is Pluto not a planet?
Most of us grew up learning that there were nine planets in the Solar System. But why did Pluto get demoted? Conor Farrell explains how our understanding of the icy body changed.
Final Frontier: NASA's Voyager departs the solar system for deep space
The Voyager 1 probe was launched in 1977 on a mission to explore the outer planets. It will continue to drift across the galaxy, carrying discs of greetings from planet Earth…
This is what earth looks like from Saturn, 1.44 billion km away
See the tiny blue dot there that’s the earth (not to be confused with dust on your screen).
NASA denies report that Voyager left solar system
The US space agency described a report published today as “premature”.
2012: The year in space exploration
Landing on Mars, meteor showers and fixing the space station with a toothbrush – it’s been quite a year.
Astronomers get rare glimpse of icy, dwarf planet
‘Makemake’ is one of five dwarf planets known to exist on the edge of our Solar System – but very little has been known about it until this point.
Earth-sized planet found just outside solar system
Astronomers have found the closest planet in location and size to the Earth circling a star in the system Alpha Centauri.
Life on Mars: how close are we to living in space?
Mankind’s fascination with space has long sparked fantasies of living away from Earth, but is this any closer to becoming a reality?
Is NASA's Voyager about to leave the solar system?
The spacecraft, which was launched in 1977, appears to be on the verge of becoming the first spaceship to leave the solar system. Bon voyage…
NASA refines Mars landing – but brings it closer to dangerous landing zone
‘Curiosity’ is set to land on the red plant in early August.
VIDEO: Venus passes in front of the sun for the last time before 2117
The ‘Transit of Venus’ occurs in pairs, and won’t be seen again this century – but NASA, thankfully, took this video.
Astronomers gear up for rare Venus Transit solar event
Next time Venus can be seen travelling across the face of the Sun will be in 2117.
European Space Agency sets sights on Jupiter
New mission will focus on the gas giant’s three large icy moons.
Gallery: Dramatic images of our nearest star
NASA has compiled an exhibition of the colourful and intriguing images captured by its Solar Dynamics Observatory.
Video: Two 'Earth-sized' planets discovered outside solar system
The planets offer hope that extraterrestrial life could be discovered, scientists say.
NASA's Voyager 1 in "cosmic purgatory" and preparing to leave solar system
In pictures: Check out the amazing space images captured by the Voyager craft since they launched in the late 1970s.
'New Earth' found in distant solar system
Nasa has called the discovery of Kepler 22-b a “major milestone on the road to finding Earth’s twin”.
How today is the planet Neptune's first birthday (kind of)
Neptune was first observed from Earth on 24 September 1846. So how does that make today a birthday?