Category: 7. Science

Russian cosmonauts start first spacewalk in 2025

More than a decade of satellite monitoring has mapped Earth’s magnetic field as it subtly altered between 2014 and 2025 — and what scientists have learned is remarkable. The South Atlantic Anomaly, a weak region, is expanding, the north…

They erected safari-style tents for shade and strung hammocks between poles. Supplies were scheduled to arrive every three or four days. They set up a generator to cook meals and power their equipment and hired a crew of locals to…

Blocks of carbon dioxide ice appear to carve mysterious gullies on Mars as they melt along dunes and blast away sand — a process that looks eerily like the burrowing of fictional sandworms in the movie “Dune.”

Planetary scientists have long…

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CORVALLIS, Ore. — Large changes in global sea level, fueled by fluctuations in ice sheet growth and decay, occurred throughout the last ice age, rather than just toward the end of that period, a study publishing this week in the journal Science…

The Southern sky just got a sharper set of eyes. A new high-resolution echelle spectrograph on the 4.1 meter SOAR Telescope in Chile has taken its first look at Eta Carinae, a volatile pair of massive stars that keeps astronomers on their…