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The Latest Breaking News from Solar System

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.

LiveScience

Scientists have found carbon dioxide on Pluto’s largest moon – offering clues about how it formed

In the outer reaches of our Solar System, 5.7 billion kilometres from the Sun, lies the dwarf planet Pluto. Smaller than Australia, it is an icy world of mountains, glaciers and craters where the average temperature is –232°C.

The Conversation

Astronomers Just Confirmed the Presence of Carbon Dioxide On Pluto’s Moon Charon — Where Did it Come From?

A new study reveals that Charon, Pluto's largest moon, is getting bombarded by lots of cosmic energy. NASA's Webb Space Telescope found the telltale signs.

Inverse

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'Sub-Earth' exoplanet discovered around the closest solo star to us

Astronomers have discovered a low-mass "sub-Earth" planet orbiting the closest solo star to the solar system, Barnard's star, that has a year lasting just three Earth days.

Space

CubeSats, the tiniest of satellites, are changing the way we explore the solar system

Most CubeSats weigh less than a bowling ball, and some are small enough to hold in your hand. But the impact these instruments are having on space exploration is gigantic. CubeSats – miniature, agile and cheap satellites – are revolutionizing how scientists study the cosmos.

The Conversation

This exoplanet circling a dead star may mirror Earth's fate — if our planet survives a dying sun, that is

A newly discovered Earth-size world orbiting a dead white dwarf star gives scientists a hint of what the solar system may look like in billions of years.

Space

A 'primordial' black hole may zoom through our solar system every decade

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then."

LiveScience

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Massive radio survey reveals our universe's structure at the largest scales

New observations from the MeerKAT radio survey suggest our estimates of the cosmic dipole effect are actually in line with the large scale structure of the universe.

Space

Black hole 'bullets' fired at Mars could reveal more about dark matter

Tiny black hole "bullets" left over from the Big Bang could be passing through Mars at speeds in excess of 7,000 times the speed of sound, causing the Red Planet to "wobble."

Space

2nd Kuiper Belt? Our solar system may be much larger than thought

Eleven objects found at the extremities of the solar system could mark the location of a 'Kuiper Belt 2.'

Space

A 'primordial' black hole may zoom through our solar system every decade

If microscopic black holes born a fraction of a second after the Big Bang exist, then at least one may fly through the solar system per decade, generating tiny gravitational distortions that scientists can detect.

Space

A passing star may have kicked the solar system's weirdest moons into place

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

LiveScience

Hidden craters reveal Earth may once have had a ring – like Saturn

The rings of Saturn are some of the most famous and spectacular objects in the Solar System. Earth may once have had something similar.

The Conversation

'Space trash' will lead us to intelligent aliens, Harvard astrophysicist Avi Loeb says

The long-sought evidence of alien life could be lurking in Earth's oceans, says Harvard astrophysicist Avi Loeb. Here is his plan to find it.

LiveScience

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Space

NASA's Voyager 1 probe swaps thrusters in tricky fix as it flies through interstellar space

NASA's most distant spacecraft had a critical thruster problem far from home. Fixing it required a long-distance call to overcome extreme cold and dwindling power.

Space

Mystery of dwarf planet Ceres' origin may finally be solved, thanks to retired NASA spacecraft

Was Ceres born in the main asteroid belt, or did it migrate there from the outer solar system? The answer is buried in data from NASA's Dawn spacecraft.

Space

A long-lost moon could explain Mars' weird shape and extreme terrain

A long-lost moon could explain why Mars is so different from the other rocky planets in the solar system.

LiveScience

Space photo of the week: The 1st image of an alien planet

The Very Large Telescope in northern Chile imaged a "super-Jupiter" exoplanet called 2M1207b, precisely 20 years ago this week. This was the first direct visual confirmation of a world beyond our solar system.

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LiveScience

Asteroid 10 times bigger than the dinosaur-killing space rock smashed Jupiter's largest moon off its axis

New simulations show that Jupiter's massive moon Ganymede was knocked off its axis when it was struck by a roughly 90-mile-wide asteroid around 4 billion years ago. The colossal collision was likely one of the biggest asteroid impacts the solar system has ever seen.

Top News

Scientists Discover Possible Second Kuiper Belt Beyond Neptune's Orbit

Scientists discover potential evidence of two Kuiper Belts in the outer Solar System, hinting at a breakthrough in planetary formation studies.

The Guardian - UK

Jupiter’s moon Ganymede was struck by asteroid bigger than dinosaur-killing rock

Impact may have caused largest moon in solar system to swing on its axis, say scientists

Space

'Warm Jupiter' exoplanet 300 light-years away found by amateur astronomers

A network of citizen scientists recently found a "warm" Jupiter 300 light-years from Earth that can reveal clues about how our own Jupiter and solar system evolved.

LiveScience

Why is everything in space always moving?

From the moment of the Big Bang, everything in the universe has kept moving, but why is that?

The Conversation

2 solar probes are helping researchers understand what phenomenon powers the solar wind

Our Sun drives a constant outward flow of plasma, or ionized gas, called the solar wind, which envelops our solar system. Outside of Earth’s protective magnetosphere, the fastest solar wind rushes by at speeds of over 310 miles (500 kilometers) per second. But researchers haven’t been able to figure out…

Space

The Local Bubble: How our solar system got caught up in a cosmic crime scene

The Local Bubble is a region of surprisingly low-density gas that surrounds our solar system and other nearby regions of our galaxy — and it has a violent history.

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