The Dark Energy Spectroscopic Instrument (DESI) has completed its originally planned five-year mission and mapped more than ...
Mon., June 23, 2025 A composite image of the supernova 1E0102.2-7219 contains X-rays from Chandra (blue and purple), visible light data from VLT’s MUSE instrument (bright red), and additional data ...
Imagine shrinking Earth to the size of a small ball to reveal just how vast the Universe is. If it were 12 centimeters wide, ...
A maser signal, an equivalent of a laser, has reached us from a distant galaxy. Its origin and intensity make it an exceptional case. The signal traveled several billion years through space ...
I live near a few volcanoes. One of them – Mount St. Helens – is bubbling with molten material that will probably gush out as lava someday. I asked my friend Johannes Hämmerli about lava. He’s an ...
Possible evidence of the universe's first stars has been discovered thanks to the detection of an extreme helium signal.
A study reconstructs the chemical composition of key molecules in stars by analyzing their infrared fingerprints.