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The TOI-700 star system is home to four planets, including two in its habitable zone that could host liquid water. NASA's Goddard Space Flight Center

Distant star TOI-700 has two potentially habitable planets orbiting it – making it an excellent candidate in the search for life

With more than 5,000 known exoplanets, astronomers are shifting their focus from discovering additional distant worlds to identifying which are good candidates for further study.
Scientists think there are 300 million habitable planets in the Milky Way, and some may be home to intelligent life. Bruno Gilli/ESO

Blasting out Earth’s location with the hope of reaching aliens is a controversial idea – two teams of scientists are doing it anyway

This year, two groups of astronomers plan to send messages containing information about humans and the location of Earth toward parts of space they think may be home to intelligent life.
Proxima Centauri is the closest star to the solar system and is home to a potentially habitable planet. Hubble/European Space Agency/WikimediaCommons

Massive flare seen on the closest star to the solar system: What it means for chances of alien neighbors

Astronomers just measured the largest flare ever from Proxima Centauri, humanity’s closest neighboring star. These flares could be bad news for life trying to develop on a planet orbiting the star.

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