For years, astronomers and astrochemists have puzzled over two big mysteries in space. First, they noticed that dense clouds ...

An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ...

According to their new study, sulfur can bind with ammonium under icy cosmic conditions and form a salt that sticks to dust ...

Orbiting spacecraft Rosetta captured the lander drifting across the surface of Comet 67P for half an hour until its first bounce landing. The European Space Agency captured the “song” of the ...

The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

Dr. Giri was also a scientific crew member of the European Space Agency’s Rosetta mission to comet 67P/Churyumov-Gerasimenko. He is a recipient of several fellowships and awards, including the 2014 ...

Science enthusiasts are hoping to get a glimpse of a comet that’s supposed to be the brightest of 2025, but they may be out of luck depending on where they are in the world. The comet ...