Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now shining at 9th magnitude, you can best spot the main-belt world after dark, rising higher in the hours after sunset. By 10 P.M. local time, ...

Tektites are natural glasses formed by the high-energy impact of large meteorites against Earth’s surface. Recently, a team of researchers found a new strewn field of them in the Brazilian state of ...

In July 1967, Jocelyn Bell Burnell noticed a “bit of scruff” in the radio data she was receiving at the Mullard Radio Astronomy Observatory. Together with her Ph.D. advisor Antony Hewish, she zeroed ...

A recent story in The Planetary Science Journal reported that scientists at the National Air and Space Museum’s Center for Earth and Planetary Studies and colleagues have produced the first global map ...

Mars’ moons are easily visible at night from the Red Planet. Larger Phobos is brighter, while smaller Deimos is still brighter than any star.

In the latest delay for the Artemis 2 mission, NASA announced on Saturday that it will roll the Space Launch System (SLS) rocket and Orion spacecraft back to the Vehicle Assembly Building (VAB) as ...

The longer nights of August beckon with several treats this month. Saturn and Neptune undergo their second conjunction of the year, appearing together in a low-power telescope eyepiece. Telescopic ...

Jupiter reaches its best apparition in a decade for northern observers and offers a wealth of detail. Joining in late evening is brilliant Mars, now a month from opposition. Saturn is visible in the ...

Uranus, the seventh planet from the Sun, is currently in Taurus, located roughly 5° south-southwest of the Pleiades star cluster (M45). Glowing at magnitude 5.8, the ice giant requires binoculars or a ...

Through the early 1900s, astronomers disagreed on whether the universe was home to a multitude of galaxies, so-called “island universes,” or contained entirely within the boundaries of the Milky Way ...

A study led by SETI Institute scientist Matija Ćuk proposes that Saturn’s bright rings and its largest moon, Titan, may have both originated in collisions among its moons. This study was accepted for ...

Recent months have featured a few stories about how Albert Einstein’s theories, or the ideas underpinning them, have all been confirmed to a new degree of accuracy. That’s usually the case: Scientists ...