The Peregrine and Nova-C landers are due to carry out valuable science at two diverse lunar locations.

Studying the sample could help answer how water arrived on Earth and how life started.

New Center for Astrophysics mission aims for closer look at photon rings and insight into nature of space and time.

Climate change is making oceans more acidic globally. Now, scientists are finding that large storms can send pulses of acidic water into bays and estuaries, further stressing fish and shellfish.

Natural disasters cause billions in damage to ports around the world each year.

Flood risks are rising as the climate warms. The risks are complex, as a levee or new roadway in one place can worsen flooding somewhere else.

Climate change is colliding with old factory sites where soil or water contamination still exist, and the most vulnerable populations are particularly at risk.

Many coastal US cities are contending with increasingly frequent and severe tidal flooding as sea levels rise. Some are considering building seawalls, but this strategy is not simple or cheap.