Space travel changes our genes, and NASA's Twin Study proves it
February 18, 2019, 11:30 a.m. by Michael d'Estries
Studying the genetic differences between twins Scott and Mark Kelly, NASA gets some unexpected results.
Quadrantids to light up moonless night sky
January 3, 2019, 10:10 a.m. by Noel Kirkpatrick
The Quadrantids will peak Jan. 3-4 and will be especially bright in North America.
Why NASA's flyby with Ultima Thule matters
January 2, 2019, 11:25 a.m. by Michael d'Estries
New Horizons makes history with the first-ever, up-close exploration of a Kuiper Belt space rock.
Hot air balloons could soon fly over Venus' clouds
December 31, 2018, 2:11 p.m. by Bryan Nelson
But it won't make Venus any more desirable as a destination.
The best skywatching moments of January
December 27, 2018, 11:05 a.m. by Michael d'Estries
From a full lunar eclipse to a New Year's deep space rendezvous, here's what not to miss.
Time actually existed before the Big Bang, according to new theory
December 26, 2018, 6:46 p.m. by Bryan Nelson
The Big Bang wasn't the start of time, it was just a transition.
This ice-filled crater on Mars is a winter wonderland
December 22, 2018, 10:16 a.m. by Noel Kirkpatrick
Mars' Korolev crater is a well-preserved crater permanently filled with ice.
Comet's historic flyby may be visible for the holidays
December 21, 2018, 11:04 a.m. by Michael d'Estries
Should 46P Wirtanen meet expectations, it could be the brightest comet we'll see for quite some time.
NASA's InSight lander captures intimate sights and sounds of Mars
December 20, 2018, 10:53 a.m. by Noel Kirkpatrick
The NASA lander will use its seismometer and heat probe to study the inner workings of Mars.
Astronomers just found the most distant object in our solar system, so they named it 'Farout'
December 18, 2018, 2:45 p.m. by Noel Kirkpatrick
The slow-moving object is about 120 astronomical units away, or around 11,160,000,000 miles.
10 incredible images of Saturn
December 18, 2018, 11:16 a.m. by Katherine Butler
NASA's Cassini orbiter reveals stunning pictures of the planet and its rings.
You've heard of black holes, but what about white holes?
December 17, 2018, 4:13 a.m. by Bryan Nelson
White holes that spew matter out rather than suck it in might explain the biggest mysteries of the cosmos.
See the first images from an asteroid's surface
December 14, 2018, 10:57 a.m. by Michael d'Estries
Japan's space agency makes history by landing 2 rovers on Ryugu.
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The brightest star in the night sky will go dark
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The first image of a black hole is almost ready
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What to see in the night sky in February
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Ancient supernova saved Earth from watery grave, study suggests
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Space travel changes our genes, and NASA's Twin Study proves it
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Distance between Earth and moon revealed in stunning snapshot
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Cryosleep isn't science fiction
Putting astronauts into short-term hibernation could be more efficient.
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5 events science can't explain
Some natural events continue to mystify us, like the beginning of the universe.
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Bizarre genetic engineering
Here are some of the weirdest engineered plants and animals already in existence (or on the way.)
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Do you know your science?
Americans aren't so science-savvy. Take this quiz and see how much you know.
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Spider spins web that can hold weight of a human
The webbing was on par with bulletproof Kevlar in strength.
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