A strange “Einstein Cross” with an extra, impossible fifth image has revealed the hidden presence of a massive dark matter ...

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and ...

Organic molecules in Enceladus's plumes may form from surface radiation, not its ocean, reshaping how scientists assess the ...

XRISM found dense winds from a neutron star disc differ from those around black holes, challenging ideas on how such winds form and shape their environment.