Astronomy & Space news

Greenhouse theory smashed by biggest stone

A new theory to explain global warming was revealed at a meeting at the University of Leicester (UK) and is being considered for publication in the journal "Science First Hand". The controversial theory has ...

Mar 14, 2006
2.8 / 5 (1074) 0

Researcher shows that black holes do not exist

Black holes have long captured the public imagination and been the subject of popular culture, from Star Trek to Hollywood. They are the ultimate unknown – the blackest and most dense objects in the universe ...

Sep 24, 2014
4.1 / 5 (349) 238

New and Improved Antimatter Spaceship for Mars Missions

Most self-respecting starships in science fiction stories use antimatter as fuel for a good reason – it’s the most potent fuel known. While tons of chemical fuel are needed to propel a human mission to ...

Apr 17, 2006
4.7 / 5 (262) 0

Astronomers find gaping hole in the Universe

University of Minnesota astronomers have found an enormous hole in the Universe, nearly a billion light-years across, empty of both normal matter such as stars, galaxies and gas, as well as the mysterious, ...

Aug 23, 2007
4.5 / 5 (248) 3

Interstellar Spaceflight: Is It Possible?

With current space travel limited to just a few robotic probes visiting nearby planets, how realistic is it to think about reaching the nearest stars? For the short term, not very – especially when we speak ...

Dec 07, 2005 feature
3.4 / 5 (321) 1

How did the universe begin?

One of the most interesting questions considered by astrophysicists deals with the start of our universe. Indeed, there is a great deal of speculation on the subject, with different theories about how the universe began, ...

Jun 24, 2008 feature
3.9 / 5 (191) 137

Probing Question: What heats the earth's core?

Although we crust-dwellers walk on nice cool ground, underneath our feet the Earth is a pretty hot place. Enough heat emanates from the planet's interior to make 200 cups of piping hot coffee per hour for each ...

Mar 30, 2006
4.2 / 5 (179) 1

Magnetic Portals Connect Sun and Earth

During the time it takes you to read this article, something will happen high overhead that until recently many scientists didn't believe in. A magnetic portal will open, linking Earth to the sun 93 million ...

Oct 31, 2008
4.8 / 5 (154) 21

First direct evidence of cosmic inflation (Update)

(Phys.org) —Almost 14 billion years ago, the universe we inhabit burst into existence in an extraordinary event that initiated the Big Bang. In the first fleeting fraction of a second, the universe expanded ...

Mar 17, 2014
4.8 / 5 (135) 135