These are miscellaneous parts from the brass working model of a combination Newtonian/Cassegrain reflecting telescope (A19820361000). The model itself employs a 4.5-inch main parabolic mirror set in ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...

Our next meeting, on Thursday, July 3, will be at the regular time of 6 p.m. for the social hour and at our regular location — the Community United Methodist Church at 434 Lewis St. Please ...

That’s Echo Bluff State Park in Eminence, Missouri – 476 acres of jaw-dropping natural beauty that somehow remains one of the ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

More than a decade in the making, the Vera Rubin Observatory finally released its first image as its begins its ...

Astronomers taken on the role of cosmic archeologists, using the James Webb Space Telescope (JWST) to excavate over 100 disk ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

The 10-year survey is the primary mission of the Vera C. Rubin Observatory, located on a mountaintop at the edge of Chile’s ...

L3Harris in Rochester played a pivotal role in building the Vera C. Rubin Observatory’s massive secondary mirror.

Object Details Author Land, Barbara Contents Hans Lippershey's ingenious spyglass -- Galileo's new window on the heavens -- Johannes Kepler, the nearsighted wizard -- Isaac Newton's reflecting ...