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La Palma volcano has been erupting for 2 months
The La Palma volcano - which began on September 19, 2021 - has now been erupting for 2 months. It has claimed one life and forced thousands to evacuate.
November 19, 2021
Virtual reality can combat isolation on Earth and in space
Virtual reality may help alleviate some of the negative feelings of isolation, and this has potential implications for space travel.
November 16, 2021
Kessler syndrome in real life? ISS astronauts shelter from debris
Space debris threatens ISS: the Kessler syndrome, a theory developed by NASA scientist Donald Kessler, predicts cascading collisions in orbit.
November 15, 2021
Permafrost thaw in the Arctic, in the next 30 years
Permafrost thaw in the Arctic is as one of the most immediate problems of global warming. A new assessment of communities at risk.
November 10, 2021
Halley’s Comet and Edmond Halley’s magnificent prediction
Born on today's date in the year 1656, Edmond Halley was the first to predict the return of a comet. Today, Halley's Comet bears his name.
November 7, 2021
Chaco Canyon in New Mexico, and its astronomical rock art
Chaco Canyon aka Chaco Culture National Historical Park, New Mexico, contains astronomical rock art that documents what the people of the time saw in the sky.
November 5, 2021
November birthstone: the topaz
The November birthstone, topaz, comes in a myriad of colors. It's a much-loved gemstone in jewelry, and myths that date to ancient times.
November 2, 2021
Halloween is an astronomical holiday
The 4 cross-quarter days fall between equinoxes and solstices. Halloween is the spookiest one. It comes from a festival of ancient Celts and Druids.
October 28, 2021
October birthstone: opal or tourmaline
Take your pick: the October birthstone is either the striking iridescent opal or the many-colored tourmaline. Learn the lore of these gemstones here.
October 5, 2021
Artificial intelligence’s racial and gender bias problem
Artificial intelligence sometimes discriminates by race and sex. Rights-based regulations are needed to ensure that AI will not exacerbate inequalities.
October 1, 2021
