Scientists at the University of Chicago say that water worlds are likely common around red dwarf stars. Most of that water is probably underground, however.
In Launches: The last Delta IV heavy-lift vehicle launch in California will carry the NROL-91 mission on September 24, 2022, from Vandenberg Space Force Base.
In Launches: SpaceX plans to make 100 trips to space in 2023, including new flights for old clients and former clients of the shunned Russian space agency.
Why does Pluto's moon Charon look red on top? A new study from researchers at Purdue University suggests that cryovolcanic eruptions created Charon's red cap.