A new study reveals that the Pleiades is the core of a once-much-larger cluster, many of whose members have scattered to the ...

The Moon passes 0.8° south of Saturn at 7 P.M. EDT. Because the pair appears in the early-morning sky, stay tuned to catch them tomorrow morning, along with several other planets. Dwarf planet Pluto ...

The astronomical magnitude system, initially developed by Hipparchus and refined by Ptolemy, quantifies the brightness of celestial objects, with brighter objects having lower magnitudes. Norman R.

Mercury now shines at magnitude –0.8 in the evening sky, lingering above the horizon some 80 minutes after the Sun disappears. Tonight, the solar system's smallest planet stands just 20′ from the ...

A shocker occurred Saturday at Fair Grounds in the $500,000 Risen Star (G2) for Kentucky Derby hopefuls when Magnitude spurted out of the gate from post 12 and dominated on the lead en route to a 9 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona. One of the most notable baby ...

The Risen Star Stakes has experienced its share of surprising finishes in its half-century history, but few have been more improbable than what occurred in its 53rd running on Saturday. Magnitude, an ...