Can you melt dry ice? At normal air pressure, solid CO2 skips the liquid phase and turns directly into a gas (sublimation).

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

Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang,” said ...

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned about its origin, chemistry, and trajectory ...

Discover how scientists are using Martian orbiters to track its path and what its mysterious radio signals reveal about its ...

Interstellar object 3I/ATLAS has baffled NASA and astronomers after it changed colour to 'distinctly bluer than the Sun' and ...

Congresswoman Anna Paulina Luna has formally requested Nasa to make available the imagery, highlighting the intense curiosity ...

The interstellar object known as 3I/ATLAS continues to draw scientific interest and online speculation, particularly after ...