Weiss and colleagues dreamed up the idea behind a massive antenna so sensitive it detects faint, invisible ripples in space from 1.3 billion years ago - offering evidence of Einstein's theory of general relativity.
An archivist found more than 2,000 notebooks left behind in Harvard University storage for 50 years. Now, she’s working to make sure the notebooks from Harvard’s first women astronomers are available to the world.
Back in March, a Category 4 cyclone hit the island of Madagascar. At least 81 people were killed and 6,000 others were displaced. The cyclone also washed away one of the island's main sources of income: vanilla.