Since the October of this year there has been a lot of activity on the Sun with 24 medium class solar flares and four X class solar flares. Looks like the sun's activity is ramping up some more as on Tuesday the sun emitted another significant solar flare.
Scientists find that Mars, not Earth, shakes up some near-Earth asteroids.
Scientists have discovered that Earth isn't the only planet that can cause "asteroid quakes." Mars can also stir up asteroid surfaces and "refresh" them.
NASA crewmembers reflect on the most complex space repair in history.
NASA's Mars Atmosphere Volatile Evolution (MAVEN) mission has officially launched. Now, the spacecraft is soaring toward Mars in the hopes of gathering crucial data about the Red Planet, which could inform future missions.
One of the major issues that face deep space exploration is radiation. Now, scientists have taken a closer look at space-based radiation, which may help researchers better prepare for these deep space missions in the future.
NASA predicts comet ISON will suffer a slow death after an encounter with the Sun on Thanksgiving Day on Nov. 28, 2013.
Scientists not only have stronger evidence for granite on Mars, but also have a theory for how it could have formed there. The findings suggest that the Red Planet may just be far more geologically complex than previously believed.
The expected annual Leonid meteor shower turned into a damp squib for all the skywatchers who turned their telescopes to the sky and stayed up till early hours in the hope of catching a glimpse of the mega meteor shower.
Comet ISON has officially burst into a spectacular display. Now inside the orbit of the Earth as it plunges headlong toward the sun for a fiery close encounter on Nov. 28th, the comet is putting on a good show for astronomers--especially after an outburst on Nov. 13-14 that boosted the comet's brigh...
It turns out that two galaxies have been tricking astronomers for years. What looked like a colossal jet shooting away from a galaxy turned out to be an illusion. New data from the Karl G. Jansky Very Large Array (VLA) revealed that two galaxies, one lying behind the other, have been masquerading as...