Solar System

NASA IBEX Spacecraft Detects Neutral Hydrogen Bouncing Off Moon

[/caption] NASA's Interstellar Boundary Explorer (IBEX) spacecraft has made the first observations of fast hydrogen atoms coming from the moon,…

15 years ago

Wild Little Mercury to Cause Interplanetary Smashup? Maybe.

[/caption] The chaotic evolution of the planetary orbits in the Solar System could cause a close approach or even a…

15 years ago

How Magnetic Tornadoes Might Regenerate Mercury’s Atmosphere

[/caption] Compared to Earth, Mercury doesn't have much of an atmosphere.  The smallest rocky planet has weak surface gravity, only…

15 years ago

Titan (Weirdness) is More Than Meets The Eye

[/caption] Think Titan looks pretty round? Not quite, according to new data released today by the Cassini radar team --…

16 years ago

Fresh Mars Impact Craters Blast Ice Onto Surface

[/caption] Fresh impact craters on Mars have revealed more evidence of stable ice that's been hiding just beneath the surface…

16 years ago

New Views of Spring on Mars

[/caption] New high-resolution images taken last month of Mars' south polar region are revealing signs of spring that are decidedly…

16 years ago

Moonshadows on Saturn’s Rings Are Harbingers of Spring

[/caption] Moonshadows on Saturn's rings are foretelling the planet's equinox, when the sun will be exactly aligned with the planet's equator…

16 years ago

The Sun as a White Dwarf Star

[/caption] What will happen to all the inner planets, dwarf planets, gas giants and asteroids in the Solar System when…

16 years ago

Pluto’s Atmosphere Boasts Methane, Warmer Temps

  Pluto is certainly frigid, but new research has revealed its atmosphere is a bit warmer. Astronomers using the European…

16 years ago

Jupiter, Saturn Plowed Through Asteroids, Study Says

  [/caption] When Mars and Jupiter migrated to their present orbits around 4 billion years ago, they left scars in…

16 years ago