The full moon on March 28, 2021, ranks as the 4th-closest (and therefore 4th-largest and 4th-brightest) of the 12 full moons of 2021. Is it a supermoon? Here's why experts disagree.

New research suggests that worlds with subsurface oceans are common in our galaxy, and might be even better environments for life than Earth's oceans.

United Arab Emirates' Hope spacecraft has begun producing images of Mars's surface, including a view of Olympus Mons, highest volcano in the solar system.

Fossilized plants found in the rocks and soil beneath Greenland ice suggests the ice melted at some point in the last million years and may do so again.

How plants tolerate cold spells, and the effects of climate change on how plants manage the transition from winter to spring.

See before and after satellite images of one coastal city from the March 11, 2011, Japanese tsunami. How it looked before, and how it looks today.

China and Russia are cooperating in plans to build a lunar research outpost on the moon. The China National Space Administration and Roscosmos - Russia's space agency - made the announcement in a memorandum dated March 9, 2021.

When the asteroid labeled 2001 FO32 sweeps closest to Earth on March 21, 2021, it'll be moving at such a fast pace that observers using telescopes might be able to detect its motion - its drift in front of the stars - in real time. Charts and info here.

We're talking about the amount of time needed for the body of the sun to sink below the horizon. It's true. The sun actually sets faster around the time of an equinox.

A satellite image shows an enormous plume of sand and dust that blanketed northern China on March 15, 2021.