Mars

Lomonosov crater could be more evidence of mega-tsunami on Mars

The arguments for a tsunami and now a possible source provide new evidence for a longer-lasting ocean on Mars—a topic that is still very much under debate by Mars scientists.

Meteors help Martian clouds form

Enormous cloud-like plumes reaching 260km above the surface of Mars have left scientists baffled. This is way beyond Mars’s typical weather, entering into the...