The 6%-lit waxing crescent moon will be visible roughly 5 degrees above the horizon as the sun sets on Oct. 23, with Mercury ...

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...

Raw, unfiltered passion, instinctual self-preservation, warrior energy, and an unwavering desire to achieve our goals—these are the qualities of Mars. As the planet of ambition, drive, sexuality, and ...

Mars and Venus may look hostile today, but scientists believe they were once Earth-like. This documentary explores their hidden pasts and what changed their fate. 'Removal of Ukrainian flag is deeply ...

Mars and Venus may not always look the way they do today. This documentary explores whether climate shifts could push these planets into future ice ages. Donald Trump reacts to Team Europe’s Ryder Cup ...

The CEO is interested in bringing back rock samples collected by the agency's Perseverance rover from the red planet after some of the samples collected by the rover contained mineral textures that ...

Shannon Curry remembers the first time she saw the moon up close. She was an undergraduate at Tufts University doing research in Oracle, Arizona, and got the chance to see the moon through a ...

Reanalysis of NASA's Pioneer Venus mission data reveals that Earth's twin contains 62% water in hydrated compounds.

Recently, NASA announced that the Mars Perseverance rover has found indications that life may have at one time existed on the Red Planet. The announcement did not mark the first time the space agency ...

An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: Asteroids that share Venus's orbit and may ...

Elon Musk boasts he will launch a squad of Optimus humanoid robots to Mars aboard his Starship super-capsules, but a leading U.S. robotics scholar predicts their quick demise (Photo credit should read ...