Using the James Webb Space Telescope, scientists have found an extremely ancient galaxy piercing through a thick blanket of ...

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

Webb’s powerful instruments have detected crystalline water ice in a distant star system, offering rare insight into planet ...

It might be surprising to hear planetary scientist Nina Lanza use the word “disappointing” in the same sentence as “Mars.” After all, the Los Alamos National Laboratory researcher has dedicated her ...

One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...