A barred spiral galaxy 17 million light-years from Earth is the latest target of NASA’s most perceptive observatory.
Now 20 years since its launch, the European Space Agency’s Mars Express orbiter has a new Martian map.
Light-years-long filaments perpendicular to those previously discovered are sprouting from the supermassive black…
Mission controllers spent nearly a full week in the attempt to regain contact with the rotorcraft, the result of a…
Three exoplanets were hidden away in 2018 Kepler Space Telescope data, until now.
The $10 billion space observatory is investigating ancient light as well as nearby moons.
What if we’ve been looking for worlds like ours in the wrong places?
Star clusters, galaxies, and gas clouds are mesmerizing when seen across many wavelengths of light.
The exploded star is 25 million light-years away in the Pinwheel Galaxy.
NASA telescopes spotted a hardcore exoplanet 90 light-years away.
Several times, scientists have picked up signals that looked like evidence of intelligent life.
Astronomers said in February that Jupiter had the most moons with 92, but now Saturn is stealing the title back.
A massive outburst rocked the cosmos nearly 8 billion years ago, but we're only just observing it.
The river was once one of many waterways that fed into a lake in the now-dry Jezero Crater.
The incident could be related to the ongoing Eta Aquariids meteor shower.
Several of the largest moons orbiting the ice giant probably have an ocean layer, according to new research.
Researchers found that the Moon's inner core is about 310 miles wide, which is about 15% the diameter of the Moon.
Liquid water is typically associated with planet Earth, but our solar system hosts surprisingly large volumes of the…
The observations are a first for astronomy. Let's hope our Sun doesn't get any ideas.
13.5-billion-year-old clouds are poor in iron, suggesting they precede the dissemination of heavier elements.