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.
They're not called "supermassive" black holes for nothing, as a video from NASA illustrates.
The 27 radio antennae will look for technosignatures emitted by intelligent civilizations.
Webb Telescope observations reveal water vapor near a distant exoplanet—but could the signal actually be coming from…
Hydrated dunes suggest water can persist on some parts of the Martian surface, according to data from China's…
A higher-resolution view is helping scientists understand the physics behind the strangest objects in the universe.
The origins of these powerful objects have been a mystery since their discovery in the 1950s.
New observations of the rock show its comet-like tail is not made of dust, possibly altering the origin story of the…
A close flyby of Deimos suggests it may not be a captured asteroid, as previously believed.
A meteorite impact and a marsquake shed light on the Red Planet’s deepest recesses.