Planet Y has not been directly observed, but its influence is apparent. Researchers studied roughly 50 icy objects beyond Neptune and found unexpected orbital inclinations.
The European Space Agency is using Mars and Jupiter missions to monitor the comet in real time. Observing from beyond Earth allows instruments to track the comet even when Earth-based telescopes lose sight.
The object, named 3I/ATLAS, was first spotted by NASA on 1 July 2025. It is only the third confirmed interstellar visitor after ‘Oumuamua in 2017 and 2I/Borisov in 2019. Classified as a comet, 3I/ATLAS has unusual motion that has drawn global scientific attention.
Saturn’s rings orbit along the planet’s equator. Their appearance depends on the tilt of Saturn’s spin axis toward the Sun.
Researchers studied samples returned by Japan’s Hayabusa2 mission in 2020. The spacecraft visited the near-Earth asteroid between 2018 and 2019.
Interstellar Comet 3I/ATLAS undergoes a striking green transformation, captivating scientists and astronomy enthusiasts alike with its unprecedented color change.
Planet Nine was previously suggested as a possible explanation for distant orbital clustering. It was thought to be ten times Earth’s mass, orbiting far beyond Neptune.
Psyche’s twin cameras recorded long-exposure images of Earth and the Moon. From 180 million miles away, both appeared as faint dots.
ur Solar System is wrapped in such a shield, a bubble created by the Sun. Known as the heliosphere, it extends billions of kilometres into space and protects life on Earth.
NISAR marks the first joint Earth-observing satellite developed by India and the United States. The observatory will monitor a wide range of changes, including ground shifts caused by earthquakes, landslides, and volcanic activity.
The James Webb Space Telescope spotted signs of solid minerals. These are known as silicon monoxide, beginning to cool and harden.
NASA's Hubble Space Telescope has caught the first image of 3I/ATLAS. It is only the third known object from beyond our solar system.
Uranus is unlike any other planet in space. It tilts sideways, spinning like a barrel in orbit. Each pole gets 42 years of direct sunlight.
This is only the third interstellar object ever found. The first was 'Oumuamua in 2017, and the second, Borisov, in 2019.
On April 20, Lucy zoomed past Donaldjohanson at incredible speed. The spacecraft captured a series of close-up images using its L’LORRI imager just before the flyby.
It currently sits around 420 million miles (or 670 million kilometres) from Earth. Astronomers have since confirmed its foreign origin—it’s only the third known comet to travel from beyond our solar system.
The giant planet, named TOI-6894b, was spotted using NASA’s Transiting Exoplanet Survey Satellite, or TESS.
In 2022 and 2023, researchers turned JWST's powerful MIRI instrument toward Pluto. What they found was unlike anything seen elsewhere in the Solar System.
The asteroid was spotted during Lucy’s latest close encounter. The spacecraft flew just 960 kilometres above its surface on 20 April.
The European Space Agency's SOHO spacecraft was the first to detect it. Its SWAN instrument, which observes solar activity, detected the object.
As the solar system moved through this dust-rich region, Earth may have received an increased influx of interstellar particles.
Astronomers have discovered 128 new moons orbiting Saturn, giving the ringed planet a total of 274 confirmed moons and surpassing Jupiter's moon count, providing new insights into the solar system's formation and evolution.
Astrophotographer Josh Dury captures a breathtaking image of the rare planetary alignment of seven planets in the night sky, a spectacle that won't be seen again until 2028, offering a unique opportunity for stargazers and photographers.
Witness a rare celestial event in February as all seven planets in our solar system align, creating a breathtaking view in the night sky, a spectacle that won't be seen again until 2040.
New research suggests the Oort cloud, a shell of icy objects at the edge of our solar system, may feature spiral arms similar to the Milky Way, revealing a complex cosmic structure beyond Pluto.