Feeling sluggish and crabby? Got cloudy skies? You might be suffering from SDS.
"It's like when you watch 'The Lord of the Rings.' It feels like it's drawing from such a deep well of history."
Despite the US administration's threats to cancel the nearly complete Nancy Grace Roman Telescope, it's on track to launch this year or next. When it's launched and sent toward its orbit at the Sun-Earth L2 point, it'll carry two instruments and be ready to tackle three new astronomical surveys. One of them is the Galactic Bulge Time-Domain Survey (GBTDS).
Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.
We've rounded up the best Lego NASA sets to suit a range of budgets and ages.
From "The X-Files" to "Farscape," drift back three decades with us as we reminisce over the last great run of science fiction on the small screen.
Along with this stunning image is the first-ever global estimate of river water discharge and overall sediment suspension.
Scientists may need to broaden their horizons in their search for alien life.
Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes formed without stars.
The crew of four will launch no earlier than Wednesday 11 February at 11:00 GMT/12:00 CET (06:00 EST) from Space Launch Complex 40 at Cape Canaveral Space Force Station, Florida, USA. The next available opportunities are Thursday 12 February at 10:38 GMT/11:38 CET (05:38 EST) and Friday 13 February at 10:15 GMT/11:15 CET (05:15 EST).
Jupiter’s atmosphere and clouds have mesmerized stargazers for centuries, as their multi-colored, swirling layers can easily be viewed from powerful telescopes on Earth. However, NASA’s Juno spacecraft has upped the ante regarding our understanding of Jupiter’s atmospheric features, having revealed them in breathtaking detail. This includes images of massive lightning storms, clouds swallowing clouds, polar vortices, and powerful jet streams. Yet, despite its beauty and wonder, scientists are still puzzled about the processes occurring deep inside Jupiter’s atmosphere that result in these incredible features.
File photo of a SpaceX Falcon 9 rocket at pad 4E ready to launch a Starlink mission. Image: SpaceX
SpaceX is set to launch its penultimate Falcon 9 rocket of the month with a mid-morning flight from Vandenberg Space Force Base on Thursday.
From 2013 to 2019, the Dark Energy Survey (DES) carried out a deep, wide-area survey of the sky in a collaborative effort to map hundreds of millions of galaxies, thousands of supernovae, and measure the rate at which the cosmos is expanding. For more than a century, scientists have been trying to constrain this cosmological phenomenon - the Hubble-Lemaitre Constant - named in honor of astronomers Edwin Hubble and Georges Lemaitre (who independently confirmed that the Universe is expanding in the early 20th century).
NASA and SpaceX are proceeding ahead of schedule with their next astronaut launch to the International Space Station, which is currently operating with a skeleton crew.
The interstellar visitor may still have a few things to tell us before it leaves our solar system.
The Atacama Desert in northern Chile offers some of the clearest, darkest skies on Earth. High altitude, minimal cloud cover, and distance from major cities combine to create conditions astronomers dream about. It's why the European Southern Observatory chose Paranal for its Very Large Telescope array and the four 8.2 meter instruments that can work individually or combine their light to achieve staggering resolution.
When Edwin Hubble revealed in the 1920s that distant galaxies were retreating from us in all directions, he laid the foundation for our understanding of the expansion of the universe. But even then, the picture wasn't quite clean. Some nearby galaxies, like Andromeda, were moving toward us rather than away, exactly what you'd expect from gravity between neighboring galaxies.
For decades, Mercury has carried the reputation of being a dead, dry planet whose geological story ended long ago. Its cratered surface, baked by the Sun and seemingly frozen in time, appeared to tell a tale of ancient violence followed by billions of years of silence. That story just got considerably more interesting.
To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex.
Deneb, Vega and Altair are among the brightest stars in the night sky.
The Lambda Cold Dark Matter (Lambda CDM) model is the current cosmological model and explains much of what we see in the cosmos. One of Lambda CDM's core features is the prediction that structure grows hierarchically from the bottom up. It begins with dark matter density fluctuations, then dwarf galaxies form, then those dwarfs merge to form more massive galaxies, which merge into still larger galaxies. Eventually, there are galaxy clusters.
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