The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

The closest technological species to us in the Milky Way galaxy could be 33,000 light years away and their civilisation would ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Centre of Competence in Research PlanetS, the University of Warwick, and the Canary Islands ...

Andrews’s article notes that the cause of the observed acceleration of some items passing through our solar system is unclear ...

Later, it was reclassified as a dwarf planet, yet its mysterious charm has not diminished at all. Why is that? Because Pluto's complex and elusive terrain is like a mysterious key that may hold the ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

The pilots will have five chances to snag the capsule in midair. Military pilots were unavailable for a mission that required ...

The debate over the existence of extraterrestrial life touches literature, religion, and science in 17th century Europe.