Astronomy news

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  1. Astronomers have conducted the best, galaxy-scale test of general relativity yet, and it rules out some (but not all) theories of modified gravity.

    The post Best Test of General Relativity on Galaxy Scales appeared first on Sky & Telescope.

  2. Will Mars soon be hidden under a veil of dust? Let's hope not. We explore the current storm and the planet's upcoming close opposition.

    The post Big Dust Storm Blows up on Mars (Updated) appeared first on Sky & Telescope.

  3. Scientists have discovered that a supervolcano likely created a mysterious rock formation on Mars some 3 billion years ago.

    The post Martian Supervolcano Created Mysterious Rock Formation appeared first on Sky & Telescope.

  4. The dust storm on Mars that broke out at the end of May is now affecting the skies across the entire planet.

    The post Mars Dust Storm Grows — Curiosity’s Skies Darkening appeared first on Sky & Telescope.

  5. A recent experiment to better understand the nature of dark matter constrains a possible "fifth force" of nature to almost zero.

    The post Pulsar Limits “Fifth Force” Interactions with Dark Matter appeared first on Sky & Telescope.