Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

Sounding rockets launched from the Poker Flat Research Range north of Fairbanks, Alaska, lit up the night sky for miles ...

Skoltech researchers have theoretically investigated the wide range of molecules that oxygen and carbon atoms can form in addition to the well-known carbon dioxide and carbon monoxide. Compounds of ...

Scientists have detected polycyclic aromatic hydrocarbons (PAHs) in the Taurus Molecular Cloud. How the first benzene ring in ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

This advertisement has not loaded yet, but your article continues below. Halifax Regional Police say the closure of the Grand Parade in downtown Halifax on Wednesday morning was the result of someone ...