Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
With the Russian Soyuz spacecraft officially out of commission, what does that mean for space exploration? And more importantly, the crew on the International Space Station?
Back in 2006, the International Astronomical Union decided to demote Pluto to the status of a dwarf planet. A new historical study challenges that designation.
When most people think of NASA, they probably think of astronauts and the Kennedy Space Center. But there's a whole lot more to this 60-year-old organization.
Anders' Earthrise and 8 Homeward are the two moon craters recently named in honor of the 1968 Apollo 8 mission, the first NASA mission to orbit the moon.
It's a small world with an astonishingly long orbit around our sun. And it could lead us to the fabled Planet X.
Every autumn, Earth passes through a stream of debris left by Halley's comet, resulting in nighttime meteor showers in mid-October. Best time this year is Oct. 21-22.
It dashed through our solar system like a cigar-shaped signal from another star system. But which one? Astronomers are on the case.
Do they even look different?
A Japanese billionaire art collector is the lucky ticket holder and he plans to invite a few artists to tag along — for free.
This stellar noodle is the strongest material in the cosmos!
Maybe there aren't more dimensions beyond the four that we know and love so well.
Jupiter has been notoriously bad about revealing any water deep in its thick atmosphere. That's changing though.
Comet 21P and comet 46P will swing past our planet during the month of September — and you won't need a telescope to see either.
Visionaries have proposed various ways to get into space without using large rockets for propulsion, such as building a space elevator or harnessing magnetic levitation.
Fast radio bursts are over in less time than it takes to blink your eye. They come from way beyond the Milky Way. And astronomers can't say with certainty what causes these enigmatic bursts.
The tiny HaloSat probe will investigate a galactic halo of hot gas that may account for missing matter from the early universe.
NASA is launching its new Parker Solar Probe and it will get closer to the sun than any other spacecraft in history. But could we actually touch the sun some day?
It's a celestial gift in the middle of August. Just look up. At night.
But don't buy your lakefront property just yet.
The last satellite — Kepler — discovered more than 2,300 confirmed planets. This one is expected to find even more.
The Russian anthropomorphic robot can fire a handgun, do push-ups and even drive a car. Now it's going off into space.
Scientists recently found 12 more moons revolving around Jupiter, bringing its total to 79. Why does Jupiter have so many darn moons? Is there any advantage to that?
And while we're at it, why don't the other planets in our solar system seem to twinkle?
It's never too early to start planning!
It's the second lunar eclipse of 2018, but it will last longer than any other during the 21st century.