I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

A team of international researchers led by Tomas Stolker in the Netherlands has imaged a young gas giant exoplanet near a 12-million-year-old star. The planet is orbiting a star whose planet formation ...

We use a symmetry-adapted formalism to compute the elastic, piezoelectric, and electronic properties of polar and semi-polar dot-in-a-well (DWELL) systems. Our simulations reveal a reduced spatial ...