What's up in
Universe
Astronomy, cosmology, stars, planets, black holes and the observatories revealing how the cosmos works.
Dark matter the real stuff or gravity misunderstood
Earth-like biospheres on other planets may be rare
Nightside radio could help reveal exoplanet details
Does outer space end or go on forever
Some seafloor microbes can take the heat: And here's what they eat
Operations underway to restore payload computer on Hubble Telescope
Crustal block tectonics offer clues to Venus' geology, study finds
Japanese, Italian, US physicists reveal new measurements of high-energy cosmic rays
Researchers trace dust grain's journey through newborn solar system
'Pack ice' tectonics reveal Venus' geological secrets
