Saturday finds the moon in a waxing gibbous phase. Of all the phases that the moon goes through over 29.5 days, a waxing gibbous is probably the most frequently observed. The word gibbous is ...

March brings thrilling celestial events, including a rare chance to spot Mercury, a stunning total lunar eclipse, and ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

For example, you’ll need binoculars or a small telescope to see Uranus and Neptune—so, while the seven planets will be there, ...

Experts weigh in on whether President Donald Trump’s lofty goal of sending humans to Mars and back is feasible during his second term.

A US company's spaceship touched down on the Moon on Thursday, but its condition — including whether it landed upright — ...

Space companies need Starship's super-heavy heft to fly human habitats and mining equipment to the moon. The rocket just ...

Intuitive Machines, a Houston company aiming to repeat a 2024 landing, said its spacecraft, Athena, has power and is communicating but may not be upright. It is unclear how that might impact the ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

Luna skims by Mercury, Venus, Uranus, Neptune, and Jupiter as it grows from a thin crescent to just past First Quarter in the ...

A spectacle for stargazers to admire will take place in the night sky this evening, March 8. Mars will have a close encounter with the moon. It comes after the Red Planet reached opposition in January ...

A robotic lunar lander built by Texas-based Firefly has successfully landed on the moon, becoming only the second private-sector company ever to complete such a feat.