What's under this hole on the surface of Mars?

Human visitors to Mars need somewhere to shelter from the radiation, temperature swings, and dust storms that plague the planet. If the planet is anything like Earth or the moon, it may have large underground lava tubes that ...

How plants choose their mates and repel other suitors

A group of scientists from Nagoya University in Japan has used a specialized microscopic technique to observe the internal reproduction process of the Arabidopsis plant. Their findings, published in EMBO Reports, reveal the ...