My colleagues and I studied the mineral zircon in a meteorite from Mars and found evidence that water was present when the zircon crystal formed 4.45 billion years ago. Our results, published in the ...

Water is ubiquitous on Earth—about 70% of Earth's surface is covered by the stuff. Water is in the air, on the surface and ...

A zircon crystal blasted off the face of Mars before landing on Earth as part of one of the most unusual meteorites ever ...

A rock that formed around 4.5 billion years ago on Mars before being blasted into space by a meteor strike and making its way ...

SCIENTISTS have claimed that a mysterious black rock from Mars suggests that aliens could have bathed in hot springs on the ...

The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.