1) ISRO recently launched a record-breaking 104 satellites on a single rocket, including 101 smaller satellites from other countries.
2) NASA is developing solar electric propulsion, which uses 10 times less propellant than chemical propulsion. SpaceX successfully landed the first stage of its rocket.
3) Recent developments discussed include China using lasers instead of radio for spacecraft communication, India launching over 100 satellites at once, and NASA and Roscosmos planning a new space station.