An unexpectedly large canyon carved by a Texas flood may help scientists estimate the size of ancient megafloods believed to have sculpted terrain on both Earth and Mars, new research suggests.
SCOUR POWER The 2002 Texas flood sculpted streamlined mounds (background) similar to streamlined, flat-topped features seen in many presumably flood-ravaged terrains, including some on Mars.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
