The James Webb Space Telescope blasted off from French Guinea at 7:20 a.m. ET on Saturday, Dec. 25. The NASA mission was decades in the making and should reveal the earliest galaxies in the universe.
NASA's James Webb Space Telescope is waiting at its launch site, after years of repeated delays and cost overruns. At one point, the giant new observatory was threatened with cancellation.
The James Webb Space Telescope will give a glimpse of the earliest galaxies formed after the Big Bang — but only if the telescope is kept frigid. That's why there's a tennis court-sized sunshield.
As they count down the hours to the highly anticipated launch of NASA's powerful, $10 billion James Webb Space Telescope, astronomers hope for the best while fearing the worst.
The upcoming launch of NASA's powerful James Webb Space Telescope should let astronomers see what some of the universe's first stars and galaxies looked like soon after the Big Bang.
The Parker Solar Probe's first passage through the corona, which lasted a few hours, is one of many that are planned for the mission, according to NASA. The next flyby is expected to occur in January.
Although the moon will brighten up the sky and make it harder to see the Geminids this year, astronomers say from about 2 a.m. to sunrise, no matter your time zone, will be prime viewing time.
The comet was discovered less than a year ago near the orbit of Jupiter. Now, observers in North America can see it in the northeastern sky around sunrise.
Two NASA astronauts were scheduled for a Tuesday morning spacewalk to fix a faulty antenna on the International Space Station. But the threat of space debris has delayed those plans.
NASA is about to launch the first mission of its new planetary defense office. A spacecraft will attempt to knock a small asteroid off course by ramming into it.
