There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be ...

Since the 1970s, Voyager 1 has been making groundbreaking discoveries. But its journey is far from over, and it's still ...

After decades of exploring, NASA's Voyager 1 hit the edge of the solar system and passed through a great "wall of fire," ...

The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two satellites, the Mars Express and the ExoMars Trace Gas Orbiter, while NASA hopes its ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

NASA unveiled the result of the research that analyzed over 40 years worth of old satellite data to add more into the ninth ...

Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...