Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...
Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...
Comet C/2025 A6 Lemmon is getting brighter and whether you have a telescope, binoculars or just your eyes, here’s how you can ...
A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...
What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.
The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.
While Planet Y has been not yet been directly observed, unexpected inclinations found in the orbits of roughly 50 distant ...
23d
3I/ATLAS, comet hurtling toward solar system, much bigger than previously thought, astronomers say
The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...
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2025 SC79 Is The Second-Fastest Asteroid Ever Found – And Only The Second Within Venus' Orbit
The object is known as 2025 SC79, and it is 700 meters (2,297 feet) across. It goes around the Sun every 128 days, and it even crosses the orbit of Mercury. First observed on September 27, this object ...
Scientists continue to analyze data collected by both spacecraft to better understand the comet’s properties and behaviour as ...
On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...
The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two satellites, the Mars Express and the ExoMars Trace Gas Orbiter, while NASA hopes its ...
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