Attention may also be directed to the description of the dark ground condenser which can be made with working distances up to 4 mm. and to the low-power binocular dissecting microscope ...

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous — it makes up nearly 70 ...

Israel has initiated fresh ground operations in Gaza, calling for the return of hostages and the removal of Hamas from power. Despite international calls for a ceasefire, airstrikes continue ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous—it makes up nearly 70% ...

ANAHEIM, Calif. — Change is in the air. New data strengthen a hint that dark energy, long thought to be constant force in the universe, might change over time. Dark energy explains the observati ...

WASHINGTON, March 19 (Reuters) - New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that the enigmatic and invisible cosmic force called dark energy ...

Israeli troops have resumed ground operations in the besieged Gaza Strip, reclaiming control of a key land corridor while continuing a wide-ranging bombardment of the besieged enclave as a truce ...

The mysterious force called Dark Energy, which drives the expansion of the Universe, might be changing in a way that challenges our current understanding of time and space, scientists have found.

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JERUSALEM - The Israeli military said on Wednesday its forces have resumed ground operations in the central and southern Gaza Strip, as a second day of airstrikes killed at least 20 Palestinians ...