"Watch the International Space Station pass overhead from several thousand worldwide locations. It is the third brightest object in the sky and easy to spot if you know when to look up.
Visible to the naked eye, it looks like a fast-moving plane only much higher and traveling thousands of miles an hour faster!"
Get the latest outer space and science news, NASA information, watch space flight videos at Space.com. View exclusive solar system Images, latest astronomy news and more.
The sun emitted a mid-level solar flare, peaking at 8:13 p.m. EDT on Oct. 1, 2015. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however -- when intense enough -- they can disturb the atmosphere in the layer where GPS and communications signals travel.
The seasonal ice cap at the Martian south pole (the one made of dry ice) is evaporating as Astronomers at the University of Arizona watch. A brief discussion of the geology that results.
Do you know NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a huge hydrocarbon sea on Saturn's moon Titan? Curious to read more about mysterious feature?
Do you know NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a huge hydrocarbon sea on Saturn's moon Titan? Curious to read more about mysterious feature?
Astronomy is more hot these days than ever before. As a result, all kinds of astronomy equipment can be found, which leads to confusion and leads to unnecessary or wrong purchasing decisions. When you start your way to astronomy, having to spend half an hour to three quarters of an hour to put together the gear is sure to put you inside watching Groundhog day rerun.
The Hubble Space Telescope's instruments are pushed to their limits when trying to understand the composition of far away exoplanets. The Hubblecast video series explains.