Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky this week.

The two brightest nighttime stars available in the Butler sky are Sirius and Arcturus. April is the only month of the year we ...

Juno is scheduled for an upcoming flyby of Jupiter on May 7, during which it is set to carry out a close approach of the ...

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Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University of Virginia. He has written four books on astronomy and consulted on space ...

Astronomers have identified a binary white dwarf system, located just 150 light-years from Earth, that is expected to end in ...

Mars and Jupiter take center stage this month. Mars is visible high overhead after dark, shining bright and red as it moves steadily eastward throughout April. Meanwhile, Jupiter remains an early ...

In a star’s core, fusion takes terrific temperature and pressure that is provided by the crushing gravity of the star’s overlying mass. For a star to be relatively stable, the outward force of the ...

Satellite internet can be finicky if there isn't a clear connection with the constellation overhead. For instance, satellite ...

Being the furthest planet from Earth, we don't know much about Neptune, but recent observations have revealed something glowing in its sky.

The two brightest nighttime stars available in the Shamokin sky are Sirius and Arcturus. April is the only month of the year ...

Budget passback documents reportedly suggest the White House wants to cut NASA's budget by half — possibly closing down ...