The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...
Over millions of years, the sub-glacial rivers filled ... of a subsurface lake still existing beneath the south polar ice cap on Mars today, but significant doubt has been cast on this idea.
Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...
Curiosity travels 200 metres a day. With many stops, the rover has travelled only 15 kilometres in the last four years. Like Earth, Mars has polar ice caps, volcanoes, canyons and deserts.
There is plenty of water on Mars, but most of it is frozen in the polar ice caps and buried underground ... disappear within a few hundred million years. Aside from water, another main clue ...
Year-round, whenever they’re above the horizon, they never cease to amaze. Mars, on the other hand ... and the white polar ice caps. Early astronomers named the lighter regions like land ...