European satellite to crash back to Earth within week

A large satellite which ended its mission 13 years ago will come crashing down to Earth in an uncontrolled manner within the next week, but there is almost zero chance it will hurt anyone, the European Space Agency has said.

Atmospheres in the TRAPPIST-1 system should be long gone

Trappist-1 is a fascinating exoplanetary system. Seven worlds orbiting a red dwarf star just 40 light-years away. All of the worlds are similar to Earth in mass and size, and three or four of them are potentially habitable. ...

Astronomers detect new faint tidal disruption event

An international team of astronomers reports the detection of a new tidal disruption event (TDE) as part of All-Sky Automated Survey for SuperNovae (ASAS-SN). The newfound TDE, designated ASASSN-23bd, turns out to be the ...

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