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A group of scientists from NASA's Jet Propulsion Laboratory and the University of New Mexico announces that water clouds are discovered on TOI-1231 b, a Neptune-like exoplanet that is located 90 light-years away from Earth.
2021-06-11

The European Space Agency-JAXA space probe BepiColombo makes its final gravity assist around Earth, and is now on course for Venus, where it will make several gravity assist manoeuvres before finally arriving at Mercury in 2025.
2020-04-10

Arianespace successfully launches the European Space Agency's CHEOPS space telescope from Guiana Space Centre. The European observatory will search for new exoplanets and will be able to study an exoplanet's composition and internal structure. The launch also included OPS-SAT, an ESA CubeSat.
2019-12-18

Water vapor is detected on exoplanet K2-18b, a super-Earth which is located about 111 light-years away from Earth. It is the first time water has been confirmed on an exoplanet within the circumstellar habitable zone of a star.
2019-09-11

Rare-earth metals are discovered in KELT-9b, an exoplanet located 650 light-years away from Earth.
2019-05-28

NASA discovers its first exoplanet via the Transiting Exoplanet Survey Satellite space telescope. Pi Mensae c, a small Earth-like exoplanet, is located nearly 60 light-years away from Earth.
2018-09-19

The European Space Agency (ESA) unveils two titanium plaques etched with artwork, which will be part of the outside of the CHEOPS exoplanet-characterization satellite during its orbit around Earth.
2018-08-28

Fifteen new exoplanets are discovered. Three of them, larger than Earth, are also discovered around the dwarf star K2-155. Furthermore, a 3D climate simulation was created to find out if K2-155d has water.
2018-03-21

NASA astronomers use the Hubble and Spitzer space telescopes in research implying that "hot Saturn" (high surface-atmosphere temperatures and gas giant-mass) exoplanet WASP-39b, located 700 light-years from Earth, has a large amount of water molecules in its atmosphere.
2018-03-1

The European Space Agency releases the Planck space observatory's first all-sky map of the cosmic microwave background, the most accurate ever created. It determines that the Universe is older than expected, at 13.82 billion years old.
2013-03-21