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The Latest Breaking News from Solar System

Astronomers identify a celestial '3-body problem' lurking in the outer solar system

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare orbital configuration is often referred to as the "three-body problem."

LiveScience

'Primordial' helium from the birth of the solar system may be stuck in Earth's core

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

Space

NASA switches off Voyager instruments to extend life of the two interstellar spacecraft 'Every day could be our last.'

NASA engineers are turning off two instruments on Voyager 1 and Voyager 2 to ensure these twin spacecraft can continue exploring interstellar space.

Space

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The solar system is teeming with 1 million 'alien invaders' from Alpha Centauri

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha Centauri, new research has revealed.

Space

'Primordial' helium from the birth of the solar system may be stuck in Earth's core

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

LiveScience

Science news this week: Pompeii's secretive cults and mysterious structures in our solar system

March 1, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

LiveScience

NASA supercomputer finds billions of comets mimicking the Milky Way's shape: 'The universe seems to like spirals!'

Astronomers have discovered that billions of comets in an icy shell around the solar system called the Oort Cloud mimic the spiral structure of the Milky Way.

Space

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'Planet parade' 2025: See the ultra-rare planetary alignment peak this week, before Saturn gets swallowed by the sunset

A stunning "parade of planets" will grace the night sky this week, with all seven of Earth's celestial neighbors joining the show. Here's how to spot it and why it happens.

LiveScience

Seven planets to align in rare parade over UK skies

The brief window will enable skywatchers to see all seven other planets in the Earth’s solar system simultaneously.

The Independent UK

Exoplanetary parade: What would the night sky look like on alien worlds? (op-ed)

Most of the planets are aligned in our night sky right now, providing a treat for skywatchers. Are such "planetary parades" visible from other worlds?

Space

Mysterious cloud at solar system’s edge found to host strange ‘mini galaxy’

Oort cloud’s origin and shape can help unravel mystery of comets

The Independent UK

NASA supercomputer reveals strange spiral structure at the edge of our solar system

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.

LiveScience

Swimming robots, fusion satellites and more! New NASA-funded studies could someday 'change the possible'

NASA has awarded funds to 15 trailblazing concepts for space technology that could help us explore and inhabit the solar system.

Space

Leaving Pluto in the dust: New Horizons probe gearing up for epic crossing of 'termination shock'

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, as early as 2027.

Space

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Space

Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, whether you call it a planet or not.

The Independent UK

Scientists spot alien world ‘like something out of science fiction’

Scientists say that the new 3D understanding of the planet represents a major breakthrough for our understanding of the atmosphere and weather of alien worlds

LiveScience

1 million 'interstellar objects' — each larger than the Statue of Liberty — may lurk in the outer solar system

New simulations reveal that around 1 million "macroscopic" objects from our closest stellar neighbors, the Alpha Centauri system, may already reside in the Oort Cloud, far from sight.

The Independent UK

NASA’s Webb Space Telescope reveals ancient surface of Pluto and other celestial bodies for the first time

Scientists say findings confirmed what they had expected — but in unexpected ways

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LiveScience

Sun quiz: How well do you know our home star?

Test your knowledge on the giant ball of burning gas at the heart of the solar system.

LiveScience

Stunning, rainbow-colored object spotted by James Webb telescope could be an alien solar system in the making

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around it, astronomers hope to better understand how solar systems like our own take shape.

Space

Scientists say 2 asteroids may actually be fragments of destroyed planets from our early solar system

New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial planets, helping scientists piece together the chaotic history of our solar system.

Space

'Roasting marshmallow' exoplanet is so hot, it rains metal. How did it form?

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these "toasted marshmallow" planets could be more complicated than thought.

Salon

Heavy volcanic eruption on Jupiter's Io

The Juno probe spotted some incredible volcanic activity on Io, our solar system’s most volcanic moon

Space

NASA's Juno spacecraft watches most powerful volcanic event ever seen on Jupiter's moon Io

NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, the Jovian moon Io.

Space

How did life's building blocks end up on dwarf planet Ceres?

The building blocks of life could have been delivered to solar system dwarf planet Ceres by one or more space rocks from the outer asteroid belt.

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