A biosignature is any characteristic, element, molecule, substance or feature that ... of gradual changes over physical space where chemicals can oxidize (lose electrons) or reduce (gain electrons).

As the Perseverance rover traversed an ancient river valley in Mars' Jezero Crater back in July 2024, it drilled into the surface and extracted a sample from a unique, striped rock called Cheyava ...

As the Perseverance rover traversed an ancient river valley in Mars' Jezero Crater back in July 2024, it drilled into the surface and extracted a sample from a unique, striped rock called Chevaya ...

In nature, the behavior of systems—whether large or small—is always governed by a few fundamental principles. For instance, ...

A research team in Kiel has demonstrated a previously unknown effect in graphene—a single layer of carbon atoms whose ...

"This is the moment where the metal detector has gone off and you've dug up something shiny. You still need to find out exactly what you've got — but you've got something to work with." ...

Scientists found quantum edge states in ultracold sodium atoms, possibly leading to highly efficient energy systems with ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Sealed Apollo 17 samples analyzed with new techniques reveal that the Moon’s interior contains sulfur isotopes unlike those ...