The Space.com Collection is packed with amazing astronomy, incredible discoveries and the latest missions from space agencies around the world. From distant galaxies, to the planets, moons and asteroids of our own solar system – you’ll discover a wealth of facts about the cosmos, and learn about the new technologies, telescopes and rockets in development that will reveal even more of its secrets. Space.com launched 24 years ago and fast became the premier source of space exploration, innovation and astronomy news, chronicling – and celebrating – humanity’s ongoing expansion across the final frontier. For us, exploring space is as much about the journey as it is the destination.
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Space.com Collection
MOST AMAZING SPACE PHOTOS OF 2023 • HERE IS SPACE.COM’S SELECTION OF SOME OF THE BEST ASTROPHOTOGRAPHY OF THE YEAR SO FAR…
WHAT IS THE BIG BANG THEORY? • HOW SCIENTISTS EXPLAIN THE BEGINNINGS OF OUR UNIVERSE
THE BIG BANG THEORY
ALTERNATIVES TO THE BIG BANG THEORY EXPLAINED • MOST ASTRONOMERS BELIEVE THE UNIVERSE BEGAN 13.8 BILLION YEARS AGO IN A SUDDEN EXPLOSION CALLED THE BIG BANG. OTHER THEORISTS HAVE INVENTED ALTERNATIVES AND EXTENSIONS TO THIS THEORY
COSMIC MICROWAVE BACKGROUND • WHAT CAN THE REMNANTS OF THE BIG BANG TELL US ABOUT THE AGE OF THE UNIVERSE?
THE FIRST STARS • HOW THE ‘COSMIC DAWN’ BROKE AND THE FIRST STARS FORMED
PARALLEL UNIVERSES: THEORIES & EVIDENCE • OUR UNIVERSE MAY LIVE IN ONE BUBBLE THAT IS SITTING IN A NETWORK OF BUBBLE UNIVERSES IN SPACE
PARALLEL UNIVERSES IN SCIENCE FICTION • HERE ARE JUST SOME OF THE MANY USES OF PARALLEL UNIVERSES IN POPULAR CULTURE
14 NUMBERS OF THE UNIVERSE • OUR UNIVERSE IS TEEMING WITH MIND-BENDINGLY BIG NUMBERS
THE PLANETS • WHILE MANY PEOPLE CAN POINT TO A PICTURE OF JUPITER OR SATURN AND CALL IT A ‘PLANET’, THE DEFINITION OF THIS WORD IS MUCH MORE SUBTLE THAN THAT – AND IT HAS CHANGED OVER TIME
MEET THE PLANETS • THE EIGHT PRIMARY PLANETS IN OUR SOLAR SYSTEM ALL HAVE THEIR OWN UNIQUE FEATURES, FROM MERCURY OUT TO DISTANT NEPTUNE
LUNAR CRATERS • WHAT MOON CRATERS CAN TELL US ABOUT EARTH AND OUR SOLAR SYSTEM
MARS • WHAT WE KNOW ABOUT THE RED PLANET
THE MOONS OF MARS • WHAT DO WE KNOW ABOUT THE RED PLANET’S NATURAL SATELLITES?
HUMAN MISSIONS TO MARS • HOW WILL THE FIRST ASTRONAUTS MAKE IT TO THE RED PLANET?
WHAT CAN METEORITES REVEAL? • METEORITE STUDIES OFFER SOME SURPRISES ABOUT EARTH’S FORMATION
PLANET EARTH • OUR PALE BLUE DOT IS UNIQUE AMONG ANY OF THE OTHER PLANETS WE HAVE DISCOVERED SO FAR
THE SUN • ALL ABOUT OUR SOLAR SYSTEM’S STAR, ITS AGE, SIZE AND HISTORY
25 WEIRDEST SOLAR SYSTEM FACTS • READ ON TO FIND OUT SOME OF THE STRANGEST FACTS ABOUT PLANETS, DWARF PLANETS, COMETS AND OTHER INCREDIBLE OBJECTS AROUND THE SOLAR SYSTEM
WEIGHING THE MILKY WAY • OUR MILKY WAY GALAXY WEIGHS AS MUCH AS 1.5 TRILLION SUNS
THE FIRST IMAGE OF A BLACK HOLE • BLACK HOLES HAVE FINALLY BEEN DRAGGED OUT OF THE SHADOWS
THE BRIGHTEST QUASARS • THESE POWERFUL DYNAMOS HAVE FASCINATED ASTRONOMERS SINCE THEIR DISCOVERY HALF A CENTURY AGO
GAMMA-RAY BURSTS • THE MOST POWERFUL EXPLOSIONS IN THE UNIVERSE ARE INCREDIBLY STRANGE
8 BAFFLING ASTRONOMY MYSTERIES • THE UNIVERSE HAS BEEN AROUND FOR ROUGHLY 13.8 BILLION YEARS, BUT IT STILL HOLDS MANY MYSTERIES THAT CONTINUE TO PERPLEX ASTRONOMERS TO THIS DAY
THE AURORA BOREALIS • WHAT CAUSES THE NORTHERN LIGHTS AND WHERE CAN THEY BE SEEN?
IS EARTH’S MAGNETIC FIELD FLIPPING SOON? • EARTH’S NORTH MAGNETIC POLE IS SO OUT OF WHACK THAT SCIENTISTS NEED TO UPDATE THE GLOBAL MAGNETIC-FIELD MODEL THEY RELEASED JUST A FEW YEARS AGO. COULD THAT BE A...
