For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

Earlier research had found that the rings of Saturn respond to vibrations within the planet. Saturn's interior vibrates at frequencies that cause slight variations in its gravitational field, and the ...

Explore how satellites measure CO₂ levels and their role in tracking heat absorption in Earth’s atmosphere. This video ...

The first wave of Starlink satellites are reaching the end of their five-year lifespans and burning up in droves.

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...