Can a comet’s tail be more than just dust and ice? New observations of 3I/ATLAS, the third confirmed interstellar object to ...

Could a frozen traveler from another star system hold secrets about worlds beyond our own? Astronomers think 3I/ATLAS might. This comet, the only third confirmed interstellar object ever detected, ...

Harvard astronomer Avi Loeb says interstellar object 3I/ATLAS could be firing its "thrusters" to leave the solar system.

Harvard astrophysicist Avi Loeb suggests that interstellar object 3I/ATLAS may have just broken up into well over a dozen ...

A radio signal? That would have to confirm the object is technlogical in nature, wouldn't it? The thing is, this isn't a ...

Perihelion is the point on an orbital course that brings a body closest to the sun. C/2025 K1 (ATLAS) is an Oort cloud comet ...

C/2025 K1 (ATLAS) has broken into three distinct pieces following its closest approach to the sun on Oct. 8. Astronomers have ...

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild.

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

“Of all the heavenly bodies, comets are assuredly those whose appearance strikes most forcibly the attention of mortals,” wrote French astronomer Camille Flammarion in his book Popular Astronomy (1894 ...

Charles Messier, despite his fame for the Messier Catalogue of deep-sky objects, was a prolific comet discoverer throughout the 18th century, independently discovering at least 13 comets and ...