A new study compares young and old exoplanets to uncover how worlds shrink, migrate and evolve over time — offering insights into long-standing astronomical mysteries like the "hot Neptune desert" and the "radius valley."
The European Space Agency's new documentary short tackles the question of whether space debris has reached crisis level.
A spiral galaxy known as NGC 4945 exhibits powerful winds of material blowing from the supermassive black hole located at its core in a new photo taken by the Very Large Telescope in Chile.
Europe's Solar Orbiter spacecraft has chronicled the development of the magnetic escape of plasma driven out by a powerful magnetic reconnection event.
After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to Earth?
Researchers have created a "fingerprint" of a sulfur-based molecule found in space that may offer new clues about the formation of life on Earth.
Cosmic rays may play a role in triggering lightning, a new study suggests, offering an out-of-this-world answer to a long-standing mystery.
A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.
Sea ice impacts storms and coastal erosion — and NASA says Earth's total sea ice content has hit an all-time low.
"It is always difficult to establish if the eclipses were seen in the ancient past as bad omens or good omens."