A new comet is streaking across Australian skies after dazzling the northern hemisphere.

Venus and Jupiter are the top evening features for your observing run after sunset in May. Jupiter also hosts a handful of exciting double transits - and double shadow transits - involving Europa and ...

Venus and Jupiter remain visible in the evening sky soon after sunset early in July, although Jupiter fairly quickly drops ...

NASA's Psyche flyby of Mars highlights how gravity assists help spacecraft gain speed, conserve fuel and travel across the ...

In an era when many stargazers are wasting their shooting-star wishes on falling space junk, what blazed across eastern ...

NASA’s Galileo spacecraft uncovered violent conditions inside Jupiter before its mission ended in the giant planet.

An asteroid is hurtling towards Earth. It's the size of the Eiffel Tower, shaped like a peanut and potentially ...

Newly discovered asteroid 2026 JH2, about the size of one to two school buses, will pass safely just 91,000 km from Earth, ...

American space agency NASA announced the first major test of a new lithium-fed magnetoplasmadynamic (MPD) thruster that could power Mars spacecraft.

Newly spotted asteroid 2026 JH2, which could be up to 115 feet wide, will fly past Earth closer than some satellites on ...

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the sky's most striking color contrasts. The bright, nearly full moon will be ...