The ocean of the water-spurting moon Enceladus might be more active than scientists realized.
Mass extinctions are times in Earth’s past when large proportions of life suddenly and catastrophically died.
A severe thunderstorm cloud that formed over the Pacific Ocean in 2018 reached the coldest temperatures ever recorded.
Looking at the scientific information gleaned from lifeless worlds could help in the search for life, one astrobiologist says.
The first known interstellar comet to visit our solar system may be the most pristine ever found, never passing near a star until visiting our own, researchers say.
A rare fireball meteor bright enough to be seen during the day triggered a massive sonic boom over parts of the UK and France.
When we consider the sun's influence on Earth and our climate, we tend to think about solar radiation.
A recent study found that these dark marks, known as recurring slope lineae, surged following the massive 2018 dust storm that killed NASA's Mars rover Opportunity.
Light coming from an explosion in the early universe has illuminated a black hole that astronomers think could expand their understanding of how the celestial objects form.
It took a little help from the full moon to free the massive Ever Given cargo ship from its perch stranded across the Suez Canal.
NASA has joined the White House National Climate Task Force, another step in the agency's continued study of climate change and global warming.
What if one mission could study the gravitational ripples triggered by some of the most violent events in the universe — on the way to observing the least-known planets of our solar system?
Until the early 2000s, the only known planets were located in our own neighborhood, the Solar System.
Scientists have long known that certain ingredients are needed to support life, especially water and key organic chemicals like carbon.
Arecibo Observatory's collapse on Dec. 1, 2020 was a devastating blow for science, but its decades of observations will inform research for years to come.
The Hyades — the closest star cluster to our sun — is being stretched by an invisible 'lump,' researchers say.
The notorious Apophis space rock just shed its hazardous status — for the next 100 years at least — after fresh observations of the near-Earth asteroid.