The object, now officially designated 3I/Atlas (previously known as A11pl3Z), is believed to have come from a distant star system and is travelling at over 60 kilometres per second. Described as ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object." The cosmic interloper, officially named 3I/ATLAS, is only the third of ...

Astronomers discovered a planetoid orbiting the sun further than any known object in the solar system. Called "Farfarout," the object orbits the sun every 1,000 years.

Astronomers announced they have discovered an icy body that rivals Pluto's moon in size and hints that other planets may lurk within the far reaches of our solar system. The object, 2001 KX76 ...

These drift through the frigid outermost reaches of the solar system at distances of up to 200,000 AU (approximately 3 Light Years). An Oort Cloud object may take millions of years to orbit the ...

Astronomers have created highly detailed images of 42 of the solar system's largest asteroid belt objects, including Ceres which has a diameter twice as long as the Grand Canyon.

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Astronomers are welcoming the newest and most distant object in the solar system – a dwarf planet orbiting more than 100 times further from the Sun than Earth. And because its discoverers aren ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between ...

The object, nicknamed FarFarOut, is the size of a tiny dwarf planet, ... It’s sometimes tempting to imagine that our Solar System ends wherever the most distant planet is.

Two physicists think that we should check to see if there's an ancient, grapefruit-size black hole hiding out in our solar system. And that tiny, heavy object might in fact take the place of a ...

A newly found object may set a new record for the most distant dwarf planet in the solar system.. The object, called V774104, lies about nine and a half billion miles from the sun, or two to three ...