When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

The inner solar system is home to four rocky worlds that formed under the intense heat of the young Sun. This video explores Mercury, the scarred planet that is slowly shrinking; Venus, where a ...

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of ...

The planet's unique combination of a magma ocean and a sulfur-laden atmosphere puts it in a class by itself. Read more at ...

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting ...

A groundbreaking study in galactic archaeology proves the Sun made a treacherous journey to reach its current home in the ...

Over 4 billion years ago, as planets were coalescing around the newborn Sun, our star may have gone on an epic road trip across the Milky Way along with thousands of stellar "twins." And we may owe ...

Analysis reveals what appears to be a channel of hot, low-density plasma stretching out from our solar system toward distant ...