The first estimate of coral egg numbers across the Indo-Pacific shows which species can help rebuild devastated reefs.

Orbital space management organizations could help ensure that future generations live with stars above their heads, rather than constellations of debris.

Voters should look for long-term health policies that address workforce shortages, improve access to primary and specialist care, and include early intervention.

85 year-old Navi Pillay served as a leading national (during apartheid in South Africa) and international jurist. By appointing her, the Nobel Committee is making a stand which has drawn praise and condemnation.