Specifically flagged by the UNEP are air pollution from launch emissions, spacecraft emissions in the stratosphere, as well ...

NASA's first crewed lunar mission in more than 50 years moved one step closer to liftoff recently with a full launch day ...

Its crinkled gold thermal insulation, metallic structures, and the cup-shaped reflective thruster are not just aesthetic ...

From auroras at 36,000 feet to comet flybys and eclipses, these are the standout images our readers shared with Space.com in ...

Russia's space agency Roscosmos launched the Iranian satellites alongside two Russian Aist-2T Earth observation satelites and ...

At 2:23 am Eastern time on March 19, 2025, an astronaut aboard the International Space station (ISS) captured a striking ...

Here's a brief rundown of 12 of 2025's most memorable mishaps. One caveat first, though: There is no shame in being on the ...

A bevy of supermoons, a dramatic total solar eclipse and a "blood moon" total lunar eclipse are some of the highlights of the ...

For an agency shooting for the moon and onward to Mars, NASA in 2025 has been on a roller coaster ride of proposed budget ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...