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Are the Earth’s magnetic poles about to swap places?
Earth’s previous polar reversal happened 780,000 years ago. Are we facing another one soon? Hear from the authors of a new study, on a strange anomaly that might be a clue.
July 22, 2020
Watch the moon shed its shadow
Because the moon moves eastward (away from the setting sun) at the rate of about 13 degrees per day, watch for the young moon to shed its shadow as it waxes (increases) in age.
July 21, 2020
Dark Sky Sanctuary established in New England
Katahdin Woods and Waters National Monument in Maine was certified as a Dark Sky Sanctuary on May 8, 2020.
July 21, 2020
Looks like Venus has dozens of active volcanoes
"This study significantly changes the view of Venus from a mostly inactive planet to one whose interior is still churning and can feed many active volcanoes," one scientist said.
July 20, 2020
Insights on Saturn at opposition
Astronomer Guy Ottewell offers his insights - and chart-making skills - to you during this 2020 opposition of our solar system's golden and glorious planet of the rings, Saturn.
July 20, 2020
Watch ISS spacewalk July 21
On Tuesday, July 21, 2020, 2 NASA astronauts will perform the 2nd in a pair of International Space Station (ISS) spacewalks, to finish a 3.5-year effort to upgrade the station’s power system. How to watch.
July 20, 2020
A nova, briefly visible in southern skies
Astronomers have spotted a classical nova outburst in a type of variable star that involves a white dwarf orbiting a main sequence star. Nova Reticulum 2020 has been briefly visible from the Southern Hemisphere.
July 19, 2020
New view of old light adds twist to debate over universe’s age
Observations of the cosmic microwave background by the Atacama Cosmology Telescope in Chile suggest that the universe is 13.8 billion years old.
July 19, 2020
Solar Orbiter’s 1st views of the sun
Solar Orbiter's new views are the closest images of the sun taken so far.
July 17, 2020
Giant A-68 iceberg 3 years on
The colossal iceberg that split from Antarctica’s Larsen C ice shelf in July 2017 is now in the open waters of the South Atlantic, about 650 miles (1,050 km) from its birthplace.
July 17, 2020
