Thirty years ago, in September and October 1996, an extraordinary breakthrough took place atop Mount Hamilton that forever changed ground-based astronomy. On the 3-meter Shane Telescope at Lick Observ...

We study the stellar mass-iron metallicity relation of dwarf galaxies in the new high-resolution MEGATRON cosmological radiation-hydrodynamics simulations. These simulations model galaxy formation up ...

The Anthropocene Working Group’s case cannot be meaningfully evaluated until the grounds for its rejection are fully transparent Questions remain over voter eligibility, quorum, document access, ...

Nature Astronomy - Modelling demonstrates that the Venus’ lower haze originates from cosmic dust. These particles also provide a plausible source for the long-unidentified UV absorber,...

Extreme Debris Disks: Insights into Violent Collisions in Planet Formation and Destruction, Su, Kate Y. L., Moór, Attila, Kóspál, Ágnes, Rieke, George H., Sefilian, Antranik A., Malhotra, Renu, Pascucci, Ilaria, Jackson, Alan P., Ábrahám, Péter, Ballering, Nicholas P.

Radioisotopic age constraints and numerical simulations on the duration of hydrothermal activity associated with the Chicxulub impact structure indicate the system was active for 8 million years, four...

YouTube video by NASA

Launch on October 1, 2026, at 8:18 p.m. with SpaceXThree small satellites developed and built in Bochum are set to launch into space: The PocketQubes ERMINAZ-2U, ERMINAZ-2V, and ERMINAZ-2X from the sp...

ERMINAZ-2U, 2V et 2X partent dans l’espace. Découvrez ces minuscules satellites radioamateurs, leurs fréquences et comment les recevoir.

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npj Space Exploration - Revised dust content and grain size of exposed water ice at the North Pole of Mars

Following TIO's September 18 letter to Minister Morant, we want to share more about our decision. TIO’s partners gave Spain’s financing proposal extensive and careful consideration and ultimately were...

Alpha CubeSat is a mission led by students of the Cornell University Space Systems Design Studio to deploy a ChipSat-equipped free-flying retroreflective light sail in LEO. The spacecraft launched wit...

Das Planetarium Bochum überrascht im Oktober mit Romantik, Literatur und elektronischer Musik. Dies sind die Highlights im neuen Programm.

Detection of the Cosmological 21 cm Signal in Autocorrelation at z ∼ 1 with the Canadian Hydrogen Intensity Mapping Experiment, The CHIME Collaboration, Amiri, Mandana, Bandura, Kevin, Chakraborty, Arnab, Cliche, Jean-François, Dobbs, Matt, Foreman, Simon, Gray, Liam, Halpern, Mark, Hill, Alex S, Hinshaw, Gary, Höfer, Carolin, Joseph, Albin, Kruger, Nolan, Landecker, T. L., van Lieshout, Rik, MacEachern, Joshua, Masui, Kiyoshi W., Mena-Parra, Juan, Miller, Kyle, Milutinovic, Nikola, Mirhosseini, Arash, Newburgh, Laura, Ordog, Anna, Pen, Ue-Li, Pinsonneault-Marotte, Tristan, Reda, Alex, Renard, Andre, Sakaguri, Kana, Shaw, J. Richard, Shaikh, Shabbir, Siegel, Seth R., Singh, Saurabh, Spear, David, Uchibori, Yukari, Vanderlinde, Keith, Wang, Haochen, Wiebe, Donald V., Wulf, Dallas

Topography beneath the tiger stripe fissures may excite internal gravito-inertial waves in the subsurface ocean due to libration Waves excited by an initial fissure may have created the parallel ...

Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics

As part of the preparation for the end of utilisation of the International Space Station (ISS), the European Space Agency (ESA) awarded a contract to two European industrial consortia to conduct preli...

A Century of Radial-velocity and Astrometric Monitoring of 70 Oph AB: New PFS Data and Constraints on Possible Planetary Companions* , Li, Yiting, Meyer, Michael R., D’Angiolillo, Skylar, Kane, Stephen R., Butler, R. Paul, Shectman, Stephen A., Mamajek, Eric E., Teske, Johanna, Lubin, Jack, Robertson, Paul, Christiansen, Jessie L., Isaacson, Howard, Harada, Caleb K., Holden, Bradford, Cochran, William D., Endl, Michael, Burt, Jennifer, Becker, Juliette, Jankowski, Alyssa, Tuthill, Peter, Clark, Catherine A., Roettenbacher, Rachael M., Nielsen, Eric, Bendek, Eduardo, Tokadjian, Armen, Roberson, William, Kratter, Kaitlin M., Bergin, Edwin, Osip, Dave, Crane, Jeffrey D., Davis, Alex, Vasisht, Gautam

SpaceX sent its Starship super-rocket on its first orbital flight — a shorter-than-planned test mission that put operational Starlink satellites into orbit for the first time. The 407-foot-tall roc…

NASA isn't saying much. The problem may be temporary.

Primary and secondary information on comets and observing comets.