Modern human-made objects such as plastics, electronics, concrete and infrastructure are creating long-lasting technofossils that may persist for millions of years.
25 years, one website: ISS in Real Time captures quarter-century on space station
A new portal consolidates 25 years of ISS photos, audio, videos, mission data, and articles into a searchable day-by-day timeline with extensive coverage.
How NASA's Lunar Photography Brought the Heavens Down to Earth
Two astronauts conduct scientific work on a silent, cratered lunar surface while Apollo-era imagery and recent deaths have left only five living moonwalkers.