Hamsa Balakrishnan develops algorithms to reduce airport congestion.

Professor Richard Binzel, NASA New Horizons scientist, describes a year of discovery since the spacecraft's historic 2015 Pluto encounter.

Scientists find gas at center of Perseus cluster travels much more slowly than expected.

Experiments show planet cooled dramatically in half a billion years.

Research suggests Antarctica and the Southern Ocean may be experiencing a period of cooling before warming takes over, thanks to the ozone hole.

Surface treatment greatly reduces degradation of catalyst material.

Findings suggest two dining styles for black holes.

Beginning 2.33 billion years ago, atmospheric oxygen built up in just 10 million years.

Technique uses vibrations generated by ocean waves to monitor ice sheet’s seasonal changes.

Just 40 light years from Earth, planets are best targets so far for search for extraterrestrial life.