(NewsNation) — Photos from the European Space Agency show a massive, lava-leaking scar on Mars larger than our own Grand ...

The scar-like canyon on Mars is officially named Aganippe Fossa. It's a graben, which is essentially a "ditch-like groove with steep walls on either side," the ESA explains. The canyon was first ...

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A metal scar found on the dead star's surface had never been seen before, said astronomer John Landstreet. It was discovered at the astronomical research centre in Armagh Observatory and Planetarium.