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The Latest Breaking News from Solar System

Futuristic, 'alien-like' nuclear fusion rockets developed in total secret could revolutionize space travel — if they actually work

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half. But not everyone is convinced.

LiveScience

James Webb Space Telescope sees four giant alien planets circling nearby star (images)

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years from Earth in the constellation Pegasus.

Space

Webb Telescope Directly Observes Exoplanet CO2 For First Time

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced Monday.

International Business Times

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How did Earth get such a strange moon? Exploring the giant impact theory

The moon is unlike anything else in the solar system. So how did our planet end up with such a special moon?

Space

Saturn now has 274 moons – but exactly what makes something a moon remains unclear

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised discoveries from a team of astronomers led by Edward Ashton at the Academia Sinica in Taiwan. The sixth planet from the Sun now has a grand total of 274 moons, the most of…

The Conversation

Saturn gains 128 new moons, giving it more than the rest of the solar system combined

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the indisputable frontrunner for having the most moons in our solar system.

LiveScience

A giant extraterrestrial 'wave' hit Earth 14 million years ago — and may have dramatically altered our planet's climate

Our solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may have had a lasting impact on Earth's climate, according to a new study.

LiveScience

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Astronomers discover 128 new moons orbiting Saturn

Planet now has 274 moons, almost twice as many as all the other planets in the solar system combined

The Guardian - UK

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

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

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Space

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.

LiveScience

'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.

The Independent UK

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.

Space

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?

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The Independent UK

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

LiveScience

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.

Space

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

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.

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