Watch ISS spacewalk February 28

On Sunday, February 28, 3 astronauts will perform the first in a pair of International Space Station spacewalks to ready the station for solar array upgrades. How to watch live. Source: https://earthsky.org/space/watch-iss-spacewalk-feb-mar-2021…

Are Texas Blackouts a Warning About the Follow-on Effects of Climate Change?

This week in America, “continent-spanning winter storms triggered blackouts in Texas, Oklahoma, Mississippi and several other states,” reports the New York Times. But that was just the beginning… One-third of oil production in the nation was halted. Drinking-water systems in Ohio were knocked offline. Road networks nationwide were paralyzed and vaccination efforts in 20 states were disrupted. The crisis carries a…

Spacewalkers Complete Battery Replacement Work, Install New Cameras on Space Station

Astronauts Mike Hopkins and Victor Glover floated back outside the International Space Station Monday and completed solar array battery replacement work that began four years ago. They also installed three new video cameras and made preparations for upcoming work to install new roll-out solar blankets to upgrade the lab’s power system. From a report: The work took less time than expected…

Watch an ISS spacewalk February 1

On Monday, February 1, 2 NASA astronauts will perform the 2nd in a pair of International Space Station spacewalks to finish installing a European science platform and complete long-term battery upgrade work. How to watch live. Source: https://earthsky.org/space/watch-iss-spacewalk-feb2021…

Top 12 brightest objects in the solar system

Can you name the top 12 brightest objects in the solar system? How many have you seen without the aid of binoculars or a telescope? Source: https://earthsky.org/space/what-are-the-brightest-objects-in-our-solar-system…

Watch ISS spacewalk January 27

On Wednesday, January 27, 2021, 2 NASA astronauts will perform the first in a pair of International Space Station spacewalks, to finish installing a European science platform and complete long-term battery upgrade work. Source: https://earthsky.org/space/watch-iss-spacewalk-jan2021…

The Mars-Uranus conjunction of January 2021

Mars and Uranus passed close to each other in a conjunction on January 21, 2021. Photos from the event captured by EarthSky readers available here. Source: https://earthsky.org/todays-image/photos-mars-uranus-conjunction-jan-2021…

SpaceX Cargo Dragon succeeds in 1st autonomous undocking

SpaceX’s CRS-21 Cargo Dragon undocked from the International Space Station’s Harmony module on January 12, 2021, succeeding in the world’s first-ever autonomous undocking and testing of several new vehicle upgrades. Source: https://earthsky.org/space/space-x-cargo-dragon-1st-autonomous-undocking-jan-2021…

New Side-Channel Attack Can Recover Encryption Keys From Google Titan Security Keys

A duo of French security researchers has discovered a vulnerability impacting chips used inside Google Titan and YubiKey hardware security keys. From a report: The vulnerability allows threat actors to recover the primary encryption key used by the hardware security key to generate cryptographic tokens for two-factor authentication (2FA) operations. Once obtained, the two security researchers say the encryption key, an…

Fantasy and Sci-Fi Author Debra Doyle, 1952-2020

Long-time Slashdot reader serviscope_minor wanted to remind us that 2020 also saw the death of science fiction/fantasy author Debra Doyle at the age of 67 from a sudden cardiac event. “Her works were co-written with her husband, James D. Macdonald,” notes her entry on Wikipedia: Her first work written with Macdonald was “Bad Blood” in 1988. Their novel Knight’s Wyrd was…