With super-bright stars everywhere in the universe, how come it's so dark-looking out there? Julian has some stretchy facts about space and light to help you understand this seeming paradox.
How does time stop everything from happening at once? What mechanism drives time forward, but not backward? Continue reading →
The photos capture Mars passing below two objects known as the Lagoon and Trifid nebulas, both in the constellation Sagittarius.
Astronomers have a conundrum on their hands. When they count up all of the ultraviolet light their calculations say SHOULD be in the universe, they come up way short! There's more such light than we can account for. What gives?
Trace breaks down some of his favorite theories for what the universe is. Are we really just living in a computer simulation?
The likelihood that a South Pole-based telescope detected elusive gravitational waves earlier this year has just taken another nosedive. Continue reading →
Chemical signature of ancient star suggests it incorporated material blasted into space by a supernova explosion from huge star in early universe.
An extraordinary amount of ultraviolet light appears to be missing from the universe, scientists have found.
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