Reference See the phase of the moon tonight and the rest of the moon phases for 2023, and when you can see them.
A cosmic chameleon shows off its bright colors in a new image from the European Southern Observatory (ESO).
An exclusive interview with Shai Gal, director of Netflix's "Unknown: Cosmic Time Machine" documentary about NASA's James Webb Space Telescope.
This week, the European Space Agency will guide its dead Aeolus wind satellite back to Earth — but not in one piece.
Rocky exoplanets could possess large amounts of water from the moment they form, observations by the James Webb Space Telescope suggest.
When NASA's Nancy Grace Roman Telescope comes online, it could be capable of spotting as many as 400 Earth-size rogue planets, and that might merely be the tip of the iceberg.
Reference NASA's Perseverance rover isn't just exploring the Red Planet. The life-hunting robot will also help a little bit of Mars make it to Earth a decade or so from now, if all goes according to plan.
Space mysteries Ever wondered how light slows down when passing through a material? Here we explore why the answer is not that straightforward.
Seen by NASA's Chandra X-ray Observatory, this peaceful galaxy cluster existed when the universe was just 5.8 billion years old and brimming with chaos.
Evelyn Boyd Granville, one of the first Black women to earn a mathematics Ph.D. from a U.S. university, did key work for NASA during early space missions and the moon landing.
A wildfire that erupted last week has burnt a massive scar across the Greek holiday island of Rhodes, which is visible in this image from the European Earth-observing satellite Sentinel-2.
Scientists are puzzled by an unusual rock that might've once launched from our planet into space before coming back home in one safe piece.
China is planning to send zebrafish to its space station in the future as part of experiments that aid research into mitigating bone loss in astronauts.
Astronomers have discovered a massive galaxy that does not seem to contain dark matter, a cosmic puzzle that could challenge theories surrounding the evolution of the universe.
Scientists with NASA discussed the urgency of climate change mitigation and the innovations that can help us reach our environmental goals.
Climate change is affecting the color of the oceans, a shift in hue showing changes to marine ecosystems, and threatening Earth's status as a "pale blue dot."
The Hubble Space Telescope tried to capture an image of a weirdly shaped galaxy. A bright star almost got in the way.
Earthquakes may make their presence known through GPS measurements several hours before their main events.
The name Oppenheimer will always be synonymous with the power and destruction of the atomic bomb, but the physicist also played an essential role in the study of black holes.