Scientists reveal that Mars’ mysterious gullies are carved by CO₂ ice blocks. As the ice sublimates and slides downhill, it ...

CO₂ ice blocks on Mars may dig gullies as they slide and sublimate in the thin atmosphere. In lab experiments, scientists recreated these eerie, worm-like movements under Martian conditions. The ...

The skies above Southern Utah will be alight with as meteors sparkle across the darkened horizon, joined by a trio of comets on a flyby past Earth.

A new 3,000-pound ice sculpture spelling out "democracy" is slowly melting on the National Mall. 'The cavalry is coming': ...

As the government shutdown enters its third week with no clear end in sight, a 3,000-pound ice sculpture was unveiled on the National Mall, spelling out the word “democracy.” ...

Scientists created this new phase of ice—known as Ice XXI—by supercompressing water to 20,000 times normal pressure in just ...

Scientists used the 'Mars Chamber' in the UK to simulate a process that creates 'very strange' gulleys on the red planet.

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Did life really exist on Mars after all? Unfortunately, there is no conclusive evidence for this yet. Nevertheless, it would ...

An interstellar visitor is speeding through the solar system, and within weeks, astronomers hope to learn whether it's a natural wanderer or something far more extraordinary. The ...

Auburn University physicists have detected water activity in comet 3I/ATLAS, marking the first time hydroxyl gas, water's chemical signature, has been observed from an interstellar visitor.