Nearby galaxies and their black holes could hold the answers to the existential questions that remain unanswered about the beginning of the universe.
There's no consensus yet on how supermassive black holes form, but a new mesmerizing simulation is taking a crack at that question like never before.
Starting Monday (Aug. 2), you can find Saturn shining in the sky as part of a celestial phenomenon called opposition.
Venus may still be geologically active today, which could mean that Earth's planetary sibling is a good place for scientists to learn about early Earth and faraway worlds.
The fluid that cushions the human brain redistributes in the skull during spaceflight, according to a new study.
NASA will discontinue the use of certain nicknames for astronomical objects that are considered to be racist, the space agency said Aug. 5.
Two researchers investigated the dynamics of Saturn's churning atmosphere to figure out what sorts of planetary fluid dynamics are creating its mystifying hexagon.
This rare finding was made by "accident," according to the research team that found the super-outburst.
Observations from NASA satellites show the effects the Australian wildfires are having across the land, the ocean and the air.
This morning (Sept. 23) at 3:49 a.m. EDT (0749 GMT) marked the official celestial beginning of autumn in the Northern Hemisphere.
To gain a fuller understanding of Falcon Heavy's caliber and the ambitions behind the SpaceX launch, it is worthwhile to look at the numbers.
A new 360-degree simulation that uses data from NASA's Chandra X-Ray Observatory is helping astronomers better understand more than 22 stellar giants found at the center of the Milky Way galaxy.
Space and weather agencies are sending data to the National Hurricane Center to issue warnings and forecasts about Irma's potential for destruction in the Caribbean Sea.
NASA is aiding the humanitarian response to Tropical Storm Harvey by surveying the storm's impact from above.
Eruptions from one of the most active volcanic regions in the world sent plumes of ash and steam into the sky this week, as captured in a spectacular image by an Earth-monitoring satellite.
On the two-year anniversary of the New Horizons probe's flyby of Pluto, mission scientists unveiled two detailed global maps of the dwarf planet and its largest moon, Charon.
A NASA sounding rocket launched early this morning and lit up the skies over the U.S. East Coast with colorful clouds, ringing in an early July Fourth celebration.