The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

A recent study of data from multiple missions shows the Red Planet may get its name from an iron mineral that formed when ...

Starting late on March 13 and continuing into the early-morning hours of March 14, our natural satellite will pass through ...

If venusian clouds contain life, it will be very different than what we know. But terrestrial analogs might still give us ...

UPDATE Wednesday, March 12, 2025: The SpaceX Falcon 9 rocket carrying SPHEREx successfully launched from Vandenberg Space Force Base at 11:10 P.M. EDT on March 11. Following deployment, the ...

A sideways and off-target landing has brought Intuitive Machines’ lunar mission to an early end — the second such mishap for ...

The short answer is that you would weigh roughly one-sixth your Earth weight on the Moon — we also can figure this out for ...

Friday's test of the spacecraft diverted, rerouted, and delayed flights in Florida and reportedly as far north as ...

Experiments suggest that processes in the interior of the moon could keep it swathed in an atmosphere that should otherwise ...

We put Starfield Optics' flagship Géar telescope — the Starfield Géar 115 Triplet APO — to the test. It did not disappoint.