On July 1 this year, astronomers discovered an object moving through the Solar System at escape velocity, our third ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

The enigma of the intruder about the same size as Manhattan Island is making astronomers rethink what they know about cosmic ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Neal Girandola and Andrew Triana run the “Mostly True Alien Stories” podcast. The podcast’s TikTok channel explains, “We just got our closest look yet as it passed by Mars, and the Mars Reconnaissance ...

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

NASA's IMAP mission and two other space weather probes took flight atop a Falcon 9 rocket today (Sept. 24). SpaceX just sent three space weather probes to the final frontier. A Falcon 9 rocket lifted ...

Comet 3I/ATLAS, an interstellar object, passed by Mars last week, rare images were captured by the ExoMars Trace Gas Orbiter ...

Solar storms can have a devastating effect on earth's power and communication grids, and the trio of missions may help to ...