Magazine IAC News, N.2 -2000. Summary: Content: The IAC participates in the space Project "SWIRE". Investigation: The birth of solitary giant planets. The scientifical legacy of SIRFT.The smallest star of the Sun's neighbourhood. C/1999 S4 LINEAR: the death of a comet. Investigation/observatories: Advances in the Project "AXIS" (An XMM-Newton International Survey). Congress: Euroconference "The Solar Cycle and Terrestrial Climate". The Sun and the climate change. International Congress "Helio and Asteroseismology at the Dawn of the Millennium. SOHO 10 and GONG 2000". Solar and stellar seismology. Thesis: Birth and evolution of dwarf blue galaxies. Improvement of image quality in segmented mirror telescopes. Through the prism: Chaos's theory: Towards the knowledge of reality. Gravitational lenses: the reverse of images. Cosmic microwave background: the signs of the past. Astrophysics' monologues: César Esteban: "Archaeoastronomy". Antonio Mampaso: "Astrobiology". Interviews to: Jean Rayrole.