Building breath, layer by layer: 3D printing with living lung cells in extreme environments

Researchers at Texas A&M University model extreme conditions using 3D bioprinting, revealing insights that could make flight ...

Yes, the universe can expand faster than light

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

Is the universe Infinite?

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...