The Dark Energy Spectroscopic Instrument (DESI) has completed its originally planned five-year mission and mapped more than ...

For several days this month, Saturn, Mars, and Mercury appear just degrees apart before sunrise—close enough to watch their ...

City lights seen from space at night show Earth brightening and dimming in real time, exposing growth, blackouts, and policy ...

Satellite observations reveal that global nighttime lighting is steadily rising, though the trend varies widely by region, with some areas brightening rapidly while others dim.

An international team including the University of Bern (UNIBE) and the University of Geneva (UNIGE), members of the National ...

Scientists have developed a new method to measure ocean surface currents over large areas in greater detail than ever before. Called GOFLOW (Geostationary Ocean Flow), the approach applies deep ...

Earth’s nighttime lights change constantly, revealing human activity, growth, crises, and energy use patterns globally ...