Missing Matter Spotted by European Probe

Twin Galaxy Clusters

May 7, 2008 — An orbital X-ray telescope has found a chunk of matter whose existence had long been theorized, but evidence for which had been lacking, the European Space Agency (ESA) said on Wednesday.
The discovery made by ESA’s XMM-Newton telescope is part of so-called baryonic matter, which comprises less [...]

Mars Probe Entourage Poised to Welcome Phoenix

The last time NASA dispatched a spacecraft to a polar region of Mars, it fell into a radio silence seconds before landing. What happened during Polar Lander’s descent has been the subject of countless debates, a top-level investigation and Congressional hearings.
Suffice it to say that whatever happens when the replacement craft Phoenix hones in on [...]