NGC 4449: a small galaxy that may spread the elements of life far and wide
NASA’s picture of the day shows a dwarf galaxy seen by Hubble. Such galaxies seem to lose more oxygen than models predict.
November 2026
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Satellite images show New Mexico’s Navajo Reservoir rising by nearly 18 metres
Landsat 9 images show the lake in New Mexico and Colorado filling after back-to-back storms that also caused damaging floods in the Four Corners region.
WHO: fewer than half of 40 African countries notify most deaths
A WHO report on 40 African countries finds gaps in recording deaths and analysing health data, while most have adopted digital platforms.
Early warnings: 136 countries now have systems, but one in three still has none
A UN and WMO report counts 136 countries with multi-hazard early warning systems. Antonio Guterres wants everyone covered by the end of 2027.
Firefox lifts the data limit on its free built-in VPN until 31 January 2027
Mozilla announced on 10 November that everyone using the free VPN built into Firefox gets unlimited data for the holiday season. Here is what it protects, and what it does not.
A future space observatory could find planets using gravitational waves
Two studies led by NASA scientists, published on 10 November, describe how the LISA mission, due to launch in the mid-2030s, could reveal planets orbiting pairs of dead stars.
Voyager 1 is about to be one light-day from Earth: what that means
NASA says its probe launched in 1977 will be 25.9 billion kilometres away on 18 November. A signal from Earth now takes 24 hours to reach it.
UN: climate crisis could push up to 141 million more women into extreme poverty
A UN Women fact sheet released on 10 November at the COP31 climate conference says about 1.5 billion women and girls live in areas highly exposed to climate hazards.