Sage III has an important mission: tracking long-term changes to the thin coat of ozone, which protects the Earth from the sun.
There's a lot to read in the data from solar eclipses. Some of it reads like clockwork. Other bits might seem odd. But total solar eclipses, like the one on August 21, are the raw rhythm of nature up close.
Astronomers have discovered seven new planets which may host liquid water. Their find shows that Earth-like planets are even more common in the universe than previously thought.
A US researcher has noticed a black hole taking more than a decade to devour a star. Most black holes only require one year to eat stars.
Gravitational waves were first detected on Earth. But soon the search continues in space. This Tuesday the satellite LISA Pathfinder will be switched off. Her data will live on in a new experiment.
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