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 ...

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two ...

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its magnetic heartbeat. For decades, scientists have struggled to see these regions, ...

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 ...

Scientists continue to analyze data collected by both spacecraft to better understand the comet’s properties and behaviour as ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and Earth. The authors dubbed it Planet Y.

Few cosmic visitors have captured the fascination of astronomers quite like the interstellar comet 3I/ATLAS. Hurtling through our solar system from the depths of interstellar space, this icy wanderer ...