A new study suggests that climate change is the key driver of changes in water flow in rivers worldwide.

Scientists have confirmed the presence of water and organic materials that are essential for life on the surface of asteroid Itokawa. The samples of rock and dust were returned to Earth by the Japanese Hayabusa spacecraft in 2010.

A new animation illustrates how Antarctica was linked to its ancient neighbors – today’s Australia, India and South Africa – as part of the ancient Gondwana supercontinent.

One of the largest groups of 17-year cicadas, Brood X, last emerged from underground in 2004. The next generation will begin arriving in April 2021.

These next several days - March 14-17, 2021 - look westward after sunset to get an eyeful of the young, slender waxing crescent moon adorning the evening twilight.

The Tianwen-1 mission entered Mars orbit at the end of February. It's expected to land a rover on Mars' surface in May. In the meantime, check out these new images from the Tianwen-1 orbiter.

A new study shows that just a half a degree of global temperature rise markedly increases fire danger on the most widely inhabited continents.

On March 3, scientists at CERN in Geneva - which operates the the Large Hadron Collider, largest particle physics laboratory in the world - announced the discovery of 4 brand-new elementary particles.

NASA’s Hubble Space Telescope went into a protective safe mode early March 7, after on onboard software program failed during a guide star acquisition. NASA has now announced that spacecraft was moved out of safe mode, into a pre-science state with the plan of returning to normal operations.

Hours of radio observations have enabled scientists to create a map of the locations in Earth's night sky of 25,000 supermassive black holes. These black holes are very far away, occupying the cores of distant galaxies.