Galuleo

 On this date in 1619, Galileo became the first human to see Saturn's rings.

We've come a long way in 400 years.

ISS

 Congress has voted to extend ISS to 2030.

The extension is contingent, however, on the other partners in the program also extending.

Russia

 Russia plans to build its own space station.

It could be flying by 2028.

ISS

 Russia says it will no longer participate in ISS after 2024.

NASA is trying to find a way to keep ISS flying until 2030.

Technosignatures

 A new study argues astronomers should be on the lookout for technosignatures-- signs of technology-- on exoplanets.

One possibility would be picking up the glow of city lights on a planet's night side.

Europa

 Astronomers using Hubble have found sulfur dioxide on Europa they think was blown there from volcanic Io.

They also say it's possible the sulfur emerged from Europa itself.

Far Side

 NASA is looking at landing a commercial mission on the lunar far side in 2025.

So far, China is the only nation to have successfully executed a controlled landing on the far side.