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In the Headlines 

In the Headlines 

RTX26J3G 
Einstein's gravitational waves 
For the first time scientists have detected gravitational waves, ripples in space and time hypothesized by physicist Albert Einstein a century ago, in a landmark discovery that opens a new window for studying the cosmos. 
SPACE-GRAVITYWAVES/
RTX26ITD 
February 11, 2016 
Dr. David Reitze, Executive Director of the LIGO Laboratory at Caltech, speaks about gravitational waves,... 
Washington, UNITED STATES 
Dr. David Reitze, Executive Director of the LIGO Laboratory at Caltech, speaks about gravitational waves... 
Dr. David Reitze, Executive Director of the LIGO Laboratory at Caltech, speaks about gravitational waves, ripples in space and time hypothesized by physicist Albert Einstein a century ago, in Washington February 11, 2016. The waves were detected by twin Laser Interferometer Gravitational-wave detectors (LIGO) in Louisiana and Washington states in September 2015. REUTERS/Gary Cameron 
SPACE-GRAVITYWAVES/ISRAEL
RTX26ICQ 
February 11, 2016 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, points at original documents... 
Jerusalem, Israel 
Gross points at original documents related to Einstein's hypothesis of the existence of gravitational... 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, points at original documents related to Albert Einstein's hypothesis of the existence of gravitational waves during a news conference in Jerusalem February 11, 2016. REUTERS/Ronen Zvulun 
SPACE-GRAVITYWAVES/
RTX26IYG 
February 11, 2016 
Dr. Kip Thorne of Caltech listens during a news conference to discuss the detection of gravitational... 
Washington, UNITED STATES 
Dr. Thorne of Caltech listens during news conference on detection of gravitational waves, in Washington... 
Dr. Kip Thorne of Caltech listens during a news conference to discuss the detection of gravitational waves, ripples in space and time hypothesized by physicist Albert Einstein a century ago, in Washington February 11, 2016. REUTERS/Gary Cameron 
SPACE-GRAVITYWAVES/ISRAEL
RTX26ICS 
February 11, 2016 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, displays original documents related... 
Jerusalem, Israel 
Gross displays original documents related to Einstein's hypothesis of the existence of gravitational... 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, displays original documents related to Albert Einstein's hypothesis of the existence of gravitational waves during a news conference in Jerusalem February 11, 2016. REUTERS/Ronen Zvulun 
SPACE-GRAVITYWAVES/ISRAEL
RTX26ICJ 
February 11, 2016 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, points to original documents... 
Jerusalem, Israel 
Gross points to original documents related to Einstein's hypothesis of the existence of gravitational... 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, points to original documents related to Albert Einstein's hypothesis of the existence of gravitational waves during a news conference in Jerusalem February 11, 2016. REUTERS/Ronen Zvulun 
SPACE-GRAVITYWAVES/
RTX26ITH 
February 11, 2016 
Dr. David Reitze, Executive Director of the LIGO Laboratory at Caltech, shows the merging of two black... 
Washington, UNITED STATES 
Dr. David Reitze shows the merging of two black holes at a news conference to discuss the detection of... 
Dr. David Reitze, Executive Director of the LIGO Laboratory at Caltech, shows the merging of two black holes at a news conference to discuss the detection of gravitational waves, ripples in space and time hypothesized by physicist Albert Einstein a century ago, in Washington February 11, 2016. REUTERS/Gary Cameron 
SPACE-GRAVITYWAVES/ISRAEL
RTX26ICN 
February 11, 2016 
An exhibit is seen at the Hebrew University's Albert Einstein Archive during a news conference where... 
Jerusalem, Israel 
An exhibit is seen at the Hebrew University's Einstein Archive during a news conference where original... 
An exhibit is seen at the Hebrew University's Albert Einstein Archive during a news conference where original documents related to Albert Einstein's hypothesis of the existence of gravitational waves were displayed in Jerusalem February 11, 2016. REUTERS/Ronen Zvulun 
SPACE-GRAVITYWAVES/ISRAEL
RTX26ICL 
February 11, 2016 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, displays original documents related... 
Jerusalem, Israel 
Gross displays original documents related to Einstein's hypothesis of the existence of gravitational... 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, displays original documents related to Albert Einstein's hypothesis of the existence of gravitational waves during a news conference in Jerusalem February 11, 2016. REUTERS/Ronen Zvulun 
SPACE-GRAVITYWAVES/
RTX26IYC 
February 11, 2016 
Dr. Rainer Weiss, emeritus professor of physics at MIT, uses a visual aide during a news conference to... 
Washington, UNITED STATES 
Dr. Weiss of MIT uses visual aide to discuss detection of gravitational waves, in Washington 
Dr. Rainer Weiss, emeritus professor of physics at MIT, uses a visual aide during a news conference to discuss the detection of gravitational waves, ripples in space and time hypothesized by physicist Albert Einstein a century ago, in Washington February 11, 2016. REUTERS/Gary Cameron 
SPACE-GRAVITYWAVES/ISRAEL
RTX26IBS 
February 11, 2016 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, displays original documents related... 
Jerusalem, Israel 
Gross displays original documents related to Einstein's hypothesis of the existence of gravitational... 
Roni Grosz, curator of the Hebrew University's Albert Einstein Archive, displays original documents related to Albert Einstein's hypothesis of the existence of gravitational waves during a news conference in Jerusalem February 11, 2016. REUTERS/Ronen Zvulun 
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