Outer Space

Life on Mars, together
NASA hopes private space companies can rescue its $11 billion Mars rock mission
Boeing’s Starliner spacecraft was set to launch on May 6 — but was delayed again
Persistent “hiccups” in a far-off galaxy draw astronomers to new black hole behavior
Astronomers spot 18 black holes gobbling up nearby stars
What was it like when supermassive black holes arose?
Google’s quantum computer suggests that wormholes are real
Scientists rule out a popular alternative theory to dark matter
“Singularities don’t exist,” claims black hole pioneer Roy Kerr
Is the Universe infinite?