On Sunday, April 27, the Moon will be about 221,900 miles from Earth when it reaches perigee, the closest distance in its ...

Scientists have long known that Saturn's largest moon, Titan, hosts rivers and seas of liquid methane. But it's strangely ...

The astronomers spotted the planet using NASA's Transiting Exoplanet Survey Satellite (TESS), an MIT-led mission that ...

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

Look to the eastern sky late Thursday, and a clear horizon will show you this unusual, grinning planet alignment.

A rare celestial event will brighten Texas skies on Friday, April 25, as two planets join the crescent Moon to form a smile ...

According to Culbertson, Venus will be the higher of the two “eyes” while Saturn will be the lower, and the thin, crescent ...

The crescent moon will be the centerpiece of April's final astronomical event as it bunches up with Venus, Saturn and Mercury ...

Despite its Earth-like rivers and lakes of liquid methane, Saturn’s moon Titan seems oddly lacking in river deltas — ...

Titan’s coastlines lack river deltas, surprising scientists and raising questions about its active surface processes.

New research finds that despite large rivers and seas of liquid methane, Saturn's moon Titan seems mostly devoid of river deltas, raising new questions about the surface dynamics on this alien world.

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...