Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

Barnard’s Star is notorious among astronomers for a history of false planet detections but it appears the latest discovery – ...

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

In his lecture, Levine noted the United States is planning a human mission to Mars that may begin as early as 2035. The journey will take seven months and over 250 million miles each way.

TAMPA — Six-year-old Allison Morales Santiz dropped her jaw as she stepped into the newly opened MOSI Digital Dome Theatre, ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.