NASA's James Webb Space Telescope unfolded the second "wing" of its massive primary mirror today (Jan. 8), marking the end of its complex deployment.
A collision with a Mars-size planet 4.5 billion years ago may have left a permanent impact on our planet's deep mantle.
The current chaos in Kazakhstan isn't seriously impacting the famous spaceport in the nation, Russian officials say.
Commander Musilova describes how the Selene V crew compensated for their confinement in the habitat by doing excessive amounts of moonwalks and research activities when the weather finally cleared.
The pioneering work of physicist Stephen Hawking is honored in a Google Doodle today (Jan. 8).
Are you worried about the sun suddenly blinking out? Never fear — our star still has billions of years left to shine.
The planet Mercury, typically hard to spot for skywatchers, will be at its greatest distance from the sun in our sky Friday (Jan. 7).
Another kind of countdown hit New York City's Times Square Friday (Jan. 7) as a commercial spaceflight company celebrated joining the NASDAQ stock exchange.
Unfolding the two side wings of the James Webb Space Telescope's golden primary mirror marks the last major task in assembling the observatory.
The Virtual Telescope Project's webcast begins Friday (Jan. 7) at 4:30 p.m. EST (2130 GMT).
Stretching thousands of light-years across the Milky Way, a newly discovered filament of hydrogen named Maggie is one of the biggest structures ever discovered in our galaxy.
NASA’s Hubble Space Telescope has reached a major milestone: one billion seconds in the final frontier.
Matter and antimatter behave the same under the influence of gravity, a new study found, leaving scientists no wiser as to what makes the two different.
It's much easier for scientists to see the messy aftermath of stellar explosions than to watch the prelude to the drama.
SpaceX successfully launched its first Falcon 9 rocket of the year Thursday (Jan. 6), sending a new stack of Starlink satellites into orbit from Florida, before nailing a landing at sea.
Like colonialism of old, Bezos’s space colonization plans heavily depend on resource extraction and unfair and abusive labor practices.
North Korea claims that it conducted a successful test of a new hypersonic vehicle on Wednesday (Jan. 5).
The Earth faces an extinction-level event caused by an alien that's been living in the moon and naturally, no one listens to the scientists until its too late
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