I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

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The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets. When you purchase through links on our site, we may earn an affiliate ...

A small, icy visitor from beyond the solar system is giving scientists an unusually close look at the chemistry that may help planets come alive. As the interstellar comet 3I/ATLAS sweeps past the Sun ...

The universe just sent us a problem. It's a fast-moving, utterly bizarre object from outside our solar system, and it has baffled researchers by dramatically changing its colour as it hurtles towards ...

A mysterious space rock from another star system has started brightening and dimming again in a regular pattern. Interstellar visitor 3I/ATLAS could now be the most famous comet ever (you’ve probably ...

The past year delivered unprecedented discoveries in space. Astronomers uncovered clues about Mars, interstellar comets, exoplanets, and dark energy, captivating scientists and enthusiasts worldwide.

A comet known as 3I/ATLAS made news earlier in July when it was confirmed to have originated outside of Earth's solar system. But is 3I/ATLAS definitely an icy comet? A trio of researchers that most ...

Interstellar visitor fires off a massive jet toward the Sun — and it looks incredible A cosmic tourist just dropped by our solar system, and it’s putting on quite the show. Astronomers are dazzled ...